00580nam a2200181Ia 4500020001500000082001900015100002000034245006100054260004800115300002600163500000500189690000600194700000500200952014900205964001700354921001000371999001700381  a0691115036  a510.9bW335.AB  aWatkins, John J  aAcross the boardbthe mathematics of chessboard problems  aPrincetonbPrinceton University Pressc2004  ax, 257p. Bibl. Index.  a  a   a  00104070aISIbISId2004-09-15eOPg115568.40l0o510.9 W335.ABpDP26649r2019-02-14 00:00:00w2019-02-14yBKzOrd num:6577; Ord dt:2004-09-03  abcdefg  a25530  c25530d25530