000 00303nam a2200121Ia 4500
008 170101s1974 xx 000 0 und d
082 _a330.1 PET
100 _aPeterson Willis L.
245 0 _aPrinciples of Economics: Micro
260 _bRichard D. Irwin
_c1974
300 _a377 p.
942 _2ddc
_cB
999 _c516266
_d516266