000 00277nam a22001217a 4500
020 _a0201030640
082 _a512.73 GON
100 _aGonis, A
_96441
245 _aMastering Mathematical Skills
260 _aLondon
_bAddison-wesley
_c1981
300 _a198 p
_bILL
942 _cBK
999 _c20380
_d20380