机读格式显示(MARC)

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• 000 1000004123

• 001 0000160512

• 003 CAL

• 005 20050106151225.0

• 008 040713s1965 xxu eng d

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• 041 0_ |a ENG

• 090 __ |a O10/E10:2

• 093 __ |a 10 |2 4

• 099 __ |a CALB022004076156

• 100 1_ |a Polya George

• 245 10 |a Mathematical Discovery |b on understanding,learning,and teaching problem solving

• 260 __ |a New York : |b John Wiley & Sons,Inc., |c 1965

• 300 __ |a 2v. 213 p. ; |c 22cm

• 905 __ |a XATU |d O10/E10:2

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• 991 __022005000134

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• 999 __ |t C |A shenxiaoyan |a 20050106 15:11:45 |M shenxiaoyan |m 20050106 15:12:25 |G shenxiaoyan |g 20050106 15:12:4