000 00320nam a2200133Ia 4500
008 221001s1990 xx 000 0 eng d
020 _a0631160515
082 _a322.4 WIL
100 _aWilson Graham K.
245 0 _aInterest groups
260 _aUSA
_bBasil Blackwell
_c1990
300 _axii, 198p.
942 _2ddc
_cBK
999 _c21319
_d21319