000 00316nam a2200121Ia 4500
008 140317s9999 xx 000 0 und d
082 _a307.2
100 _aMeehan,Eugene J.
245 _aExplanation in social science: a system paradigm.
260 _aIllinois
_bDorsey Press
_c1968
300 _a128
942 _2ddc
_cBK
999 _c4893
_d4893