机读格式显示(MARC)
- 000 00558nam 2200205 a 4500
- 008 041214s1965 xxua rb 001 0 eng d
- 099 __ |a CALB022004076156
- 245 10 |a Mathematical Discovery : |b on understanding,learning,and teaching problem solving / |c George Polya.
- 260 __ |a New York : |b John Wiley & Sons,Inc., |c c1965
- 950 __ |a JHUL |b O1 |c P781