000
00299nam a2200121Ia 4500
008
200906s9999 xx 000 0 und d
082
_a
510.072 H125
100
_a
HADAMARD,J
245
0
_a
PSYCHOLOGY OF INVENTION IN THE MATHEMATICAL FIELD
260
_b
DOVER
_c
1954
300
_a
20X13
942
_c
BK
999
_c
62089
_d
62089