000 00336nam a2200145Ia 4500
100 _aGraaff, J. De. V
520 _aIntroduction
365 _b
_1.95
942 _cBK
654 _a
245 _aTheoretical welfare economics
260 _aCambridge
_bUniversities Press
_c1967
082 _a330.155
300 _bPb
_c20.7cm
_axii, 178
999 _c383730
_d383730
041 _aeng