000 00268nam a2200109 4500
082 _a512.2
_bSAT.P
084 _2Colon Classification
100 _aSatyanarayana, M
245 _aPositively ordered groups
260 _aNew York
_bMarcel Dekker
_c1979
942 _2ddc
_cBK
999 _c710573
_d710573