000 00279pam a2200121a 44500
010 _a61007327
082 _a510
_bC886B V.2
100 _aCrowhurst, Norman H.
245 1 _aBASIC MATHEMATICS
260 _a
_bJohn F. Rider Publisher
_c1961
964 _gCIRC
997 _a25222 C
999 _c408680
_d408680