000 002640000a22001210004500
245 _aThe Limitations of social research
100 _aShipman, M.D.
260 _aLondon
_bLongman
_c1972
300 _a195 p.
080 _a301
_bS5
041 _aEN
942 _cBK
999 _c96880
_d96880