00279nam a2200121Ia 4500082001700000100001900017245003100036260002600067300001400093500004000107500000500147700000500152  a512bD621.PG  aDixon, John D.  aProblems in group theoryb  aNew YorkbDoverc1973  axv, 176p.  a"Catalogue of selected Dover books"  a  a