000 00310nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aBICKMAN (Leonard ) ; ROG (Debra J )
245 0 _aHandbook of aplied social research metho
260 _cSage Publications
365 _b0
650 _aNIL
942 _cBK
999 _c103907
_d103907