000 00291nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a RIC/C
100 _aRICHARD A BERK
245 0 _aCOLLECTIVE BEHAVIOUR
260 _bW M C BROWN COMPANY PUBLISHERS
_c1974
300 _a80
942 _cTB
999 _c30374
_d30374