000 | 00444 a2200253 4500 | ||
---|---|---|---|
001 | 14471 | ||
020 | _a30 | ||
041 | _aeng | ||
080 | _a51 | ||
245 | _aMATHEMATICAL DISCOVERY | ||
250 | _a | ||
260 | _a | ||
260 | _bWILEY, NEW YORK, | ||
260 | _c1981 | ||
300 | _av.1 & 2 combined ed. 22 cm | ||
300 | _c | ||
490 | _a | ||
100 | _aPOLYA GEORGE\ | ||
700 | _a | ||
650 | _a | ||
650 | _a | ||
942 | _cBK | ||
942 | _2UDC | ||
999 |
_c16672 _d16672 |