00471     2200181   4500001002100000008003900021035002000060245004000080100002300120260003000143300002400173020001500197084001700212082001100229650002100240990001400261990001400275INLIS000000000000423                                   N    a0010-0317000421  aAn Introduction to abstrsct algebra  aWhitelaw, Thomas A  aNew York :bBlackiec1985  aix, 166 hlm.c26 cm  a0216904889  a512.02 Whi i  a512.02  aALGEBRA-ABSTRACT  a126588112  a126588112