000 00341nam a2200157 4500
008 160616s1986 000 0
245 _aLoop groups
100 _aPressley, A
100 _aSegal, G
260 _aOxford
260 _bClarendon press
260 _c1986
500 _aB27 M61
942 _cBK
_2BK4173
080 _a512.54 PRE
999 _c4173
_d4173