000 00276pam a2200121a 44500
010 _a61007327
082 _a510-
_bC886B
100 _aCrowhurst, Norman H.
245 1 _aBASIC MATHEMATICS
260 _a
_bJohn F. Rider Publisher
_c1963
964 _gCIRC
997 _a25224 C
999 _c408679
_d408679