00548nam a2200169Ia 4500 0 0 0 0 RIEBPL RIEBPL 2019-07-10 1 300 B814E 62699 2022-03-24 00:00:00 2022-03-16 BK 30150 30150 20190925123326.0 190710s9999 xx 000 0 und d eng 300 B814E Brown, Robert Explanatin in social science : / by London : Routledge and Kegan, 1968 vii, 198 p. International library of sociology and social reconstruction Social science | Social observation | Social disposition | Genetics - Social aspects BK