000 00279nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aROBINSON (J)
245 0 _aEconomics of Imperfect Compentition
260 _cMacmillan & Co.,
365 _b0
650 _aNIL
942 _cBK
999 _c97977
_d97977