000 00309nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a978033523381
082 _a300.72DEN
100 _aDenscombe Martyn
245 0 _aGround rules for social reseach
260 _bOpen university press
_c2010
942 _cBK
999 _c456005
_d456005