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F F   n(P n( 0I:9"y7 #%%DSIDICT:_cv userdict /_cv known not {userdict /_cv 20 dict put}if _cv begin /bdf{bind def}bind def /isDeviceColor {/currentcolorspace where{pop currentcolorspace 0 get dup /DeviceGray eq exch dup /DeviceRGB eq exch /DeviceCMYK eq or or}{T}ifelse}bdf /setcmykcolor where{/setcmykcolor get /cvcmyk exch def}{/cvcmyk{1 sub 4 1 roll 3{3 index add neg dup 0 lt{pop 0}if 3 1 roll}repeat setrgbcolor pop}bdf }ifelse /stg{isDeviceColor {cf ca /cs load setscreen setgray}{pop}ifelse}bdf /strgb{isDeviceColor {cf ca /cs load setscreen setrgbcolor}{pop pop pop}ifelse}bdf /stcmyk{isDeviceColor {cf ca /cs load setscreen cvcmyk}{pop pop pop pop}ifelse}bdf /min1{dup 0 eq{pop 1}if}bdf currentscreen/cs exch def/ca exch def/cf exch def end ##:1 userdict /_cv known {_cv begin stg end}{pop}ifelse #d0drw27+}##:1 userdict /_cv known {_cv begin stg end}{pop}ifelse #HHQO`00000000ff 0ff 0ff 033 033 033000vvmmcc0f 0f!PP"JJ#DD$>>%88&22',,(&&) *+,-./01 2 3 456789:;<=>&&?#33@#33A<<BCCCJJDQQEXXF``GggHnnIuuJ||KLMNO:P:QRSTUVssWhhX\\YQQZFF[AA\<<]88^33_30h`30ha30hb30hc30hdoeofogohoiojokol3pm3pn3po3ppfsqfsrfssfstfsuzvzwzxzyz{|}~ffff̠ff̠ff30̲3330̲3330̲3330̷3030ffffffffff30f30f303303303303??::DD66JJ33PP//UU++``88kkEEvvSS``mm{{İ텅uueeVV33''''0088@@IIQQZZbb0,ff0,ff{{ְנؐـpp``PP@@0030ho 0000@@@@PPPP````pppp退ꐐ렠찰Z0ԙԙԙԙf ffff ffff fff303333033330333h, d dd dd dd dd dd dd dd dddd dddrw2D{$b APicturex?'C,   | ,P | , 0I:9" #%%DSIDICT:_cv userdict /_cv known not {userdict /_cv 20 dict put}if _cv begin /bdf{bind def}bind def /isDeviceColor {/currentcolorspace where{pop currentcolorspace 0 get dup /DeviceGray eq exch dup /DeviceRGB eq exch /DeviceCMYK eq or or}{T}ifelse}bdf /setcmykcolor where{/setcmykcolor get /cvcmyk exch def}{/cvcmyk{1 sub 4 1 roll 3{3 index add neg dup 0 lt{pop 0}if 3 1 roll}repeat setrgbcolor pop}bdf }ifelse /stg{isDeviceColor {cf ca /cs load setscreen setgray}{pop}ifelse}bdf /strgb{isDeviceColor {cf ca /cs load setscreen setrgbcolor}{pop pop pop}ifelse}bdf /stcmyk{isDeviceColor {cf ca /cs load setscreen cvcmyk}{pop pop pop pop}ifelse}bdf /min1{dup 0 eq{pop 1}if}bdf currentscreen/cs exch def/ca exch def/cf exch def end ##:1 userdict /_cv known {_cv begin stg end}{pop}ifelse #d0drw27)_l } ##:1 userdict /_cv known {_cv begin stg end}{pop}ifelse #,C,HHQO`00000000ff 0ff 0ff 033 033 033000vvmmcc0f 0f!PP"JJ#DD$>>%88&22',,(&&) *+,-./01 2 3 456789:;<=>&&?#33@#33A<<BCCCJJDQQEXXF``GggHnnIuuJ||KLMNO:P:QRSTUVssWhhX\\YQQZFF[AA\<<]88^33_30h`30ha30hb30hc30hdoeofogohoiojokol3pm3pn3po3ppfsqfsrfssfstfsuzvzwzxzyz{|}~ffff̠ff̠ff30̲3330̲3330̲3330̷3030ffffffffff30f30f303303303303??::DD66JJ33PP//UU++``88kkEEvvSS``mm{{İ텅uueeVV33''''0088@@IIQQZZbb0,ff0,ff{{ְנؐـpp``PP@@0030ho 0000@@@@PPPP````pppp退ꐐ렠찰Z0ԙԙԙԙf ffff ffff fff303333033330333C,| ,$/ //// /// //// //// / /// ///////////////#//////////////// //////////////////////////////////// //// //ddddddddd ddddddd ddddOO OOOO OOOOO OOOO OOOO OOOOOOddrw2D{C,A$b APictureYf.Z N m o N 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0f!PP"JJ#DD$>>%88&22',,(&&) *+,-./01 2 3 456789:;<=>&&?#33@#33A<<BCCCJJDQQEXXF``GggHnnIuuJ||KLMNO:P:QRSTUVssWhhX\\YQQZFF[AA\<<]88^33_30h`30ha30hb30hc30hdoeofogohoiojokol3pm3pn3po3ppfsqfsrfssfstfsuzvzwzxzyz{|}~ffff̠ff̠ff30̲3330̲3330̲3330̷3030ffffffffff30f30f303303303303??::DD66JJ33PP//UU++``88kkEEvvSS``mm{{İ텅uueeVV33''''0088@@IIQQZZbb0,ff0,ff{{ְנؐـpp``PP@@0030ho 0000@@@@PPPP````pppp退ꐐ렠찰Z0ԙԙԙԙf ffff ffff fff3033330333303332vbz$/d///dO //dO"///dOOOO8///dOO7/dOO=//dO://dOO8//dOO</dOOOO4/ddO0/dO /d/d///d///d//d//d ///d///d///d///d/d/d"//d///d//d//d//d//d/d//d(////dd/ddddd!////d/dddd////dddd////dddd///ddd /d //dd /dddrw2D{2vCb APicturey> b Button 22y>b Button 23Y.Z9Dr. Richard Vawter Western Washington University 11/18/97Vb ATextY.Z9Dr. Richard Vawter Western Washington University 11/18/97Vb A Text x?'44L   $K2 $ 0I:9"= #%%DSIDICT:_cv userdict /_cv known not {userdict /_cv 20 dict put}if _cv begin /bdf{bind def}bind def /isDeviceColor {/currentcolorspace where{pop currentcolorspace 0 get 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456789:;<=>&&?#33@#33A<<BCCCJJDQQEXXF``GggHnnIuuJ||KLMNO:P:QRSTUVssWhhX\\YQQZFF[AA\<<]88^33_30h`30ha30hb30hc30hdoeofogohoiojokol3pm3pn3po3ppfsqfsrfssfstfsuzvzwzxzyz{|}~ffff̠ff̠ff30̲3330̲3330̲3330̷3030ffffffffff30f30f303303303303??::DD66JJ33PP//UU++``88kkEEvvSS``mm{{İ텅uueeVV33''''0088@@IIQQZZbb0,ff0,ff{{ְנؐـpp``PP@@0030ho 0000@@@@PPPP````pppp退ꐐ렠찰Z0ԙԙԙԙf ffff ffff fff303333033330333L$$@dddddddddddddddddddlddddddddddddddddddddddddddddddddddddddddddZdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddRddddddddddd dddddddddddddddddddd ddddddddddddddddddddddddddddddddddddd dddddddddddddddddddddddddddddddddd ddddddddd dddddddddddddddddddddddddddddddddddddddd8dddddd ddddddddd dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd ddddddddddddd dddddddddddddddd<dddddddd ddddddddddddddddddddddd ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd 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?????? ??????????????????????????????????????????????????????????????????????????????????????"?????????1????????????????/????????????????????????????????????????????? ????????????????????????? ?????????????????????? ??????? ????????????????????? ???????????? ???????? ????????? ???????????? ?????????????????????????????????????? ????????? ???????????????? ???????????????????????????????????????????????????? ?????????????????????????????????????????????? ??????? ?????????????????????????? ???????????????????????????????????????????????????????????????????????? ?ddrw2D{LACb APicture@ `frame()=0??Y.ZHDr Richard Vawter Western Washington University vawter@physics.wwu.edu b AText