000 00291nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a512 WAL/T GEO/T
100 _aGEORGE WALKER
245 0 _aTUTORIAL ALGEBRA
260 _bCAMBRIDGE UNIVERSITY PRESS
_c1949
300 _a464
942 _cTB
999 _c24795
_d24795