000 00301nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a301.6
_bSHE
100 _aSherif, Muzafer
245 _aGroup conflict and co-opration their social psychology
260 _bRoutledge & Kegan Poul
_aLondon
_c1967
999 _c137216
_d137216