000 00228 a2200109 4500
001 63499
082 _a512 BAR
090 _c37514
_d37514
100 _aBarnard S
245 _aHigher algebra
260 _aLondon
_bMacmillan
_c1960
942 _aNUST-CAE
_k512 BAR
999 _c298572
_d298572