000 00285nam a2200121Ia 4500
008 170101s1978 xx 000 0 und d
082 _a303.3 BER
100 _aBerkowitz Leonard
245 0 _aGroup Processes
260 _bAcademic Press
_c1978
300 _a428 p.
942 _2ddc
_cB
999 _c622366
_d622366