????$B&N(B??

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???	$(D)N(B?$(D"1+r(B $(D"1(B?$B!^$(D*P(B, ??$(D*3*d(B $(D*A*$*1$B!x(B, ?$(D**)!$B!r(B $(D*3"n"D*?(B
????	?$(D*2*$*Q*)*)*A**"p*3"p"l"p$B!^$(D"p+3*#+*(B?$(D+R*!+d*)*c*4"1(B?$(D+b*.$B!x(B?$B!^(B?$(D+4*3"B"p*B*#+Q$B!k$(D)!(B
Series	PRMU2002-247
???	2003?3??

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