00343nam a2200133Ia 4500008004100000041000800041082001600049100001700065245005700082260002900139300000800168365001600176700001700192230718s9999    xx            000 0 und d  aeng  a688.74bWAT  aWatkins J.J.  aAcross The BoardbMathematics Of Chessboard Problems  c2005bUniversities Press  a257  cRs.b250.00  aWatkins J.J.