000 00317nam a2200121Ia 4500
008 130409s9999 xx 000 0 und d
100 _aAMARTYA K. SEN
245 _aCOLLECTIVE CHOICE AND SOCIAL WELFARES
260 _bHOLDEN DAY LONDON
_c1970
300 _a225
650 _aPOLTICAL SCIENCE
_bB.A.
942 _2ddc
_cBK
999 _c11941
_d11941