000 00452nam a2200121Ia 4500
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020 _a9780883854624 (pbk.) | 0883854287 (pbk.)
245 0 _aWilliam Lowell Putnam Mathematical Competition :
260 _aWashington, DC :
_bPublished and distributed by the Mathematical Association of America,
_c1980
300 _axi, 652 p. :
_bill. ;
_c25 cm.
490 _aMAA problem books series
500 _aIncludes index.
999 _c60
_d60