000 00304nam a2200133Ia 4500
008 160316s1977 xxu||||| |||| 00| 0 eng d
020 _a
100 _aMartin Bulmer
245 _aSociology Research Methods
250 _a1st
260 _aLONDON
_bMACMILLAN PRESS LTD.
_c1977
300 _a363
700 _a
_a
999 _c507
_d507