000 00269nam a2200109Ia 4500
008 190912s9999||||xx |||||||||||||| ||und||
100 _aSpencer , Amos
245 0 _aContemporary Microeconomics
260 _aNew York
_bWorth Publishers
_c1993
300 _a561
942 _cBK
999 _c7234
_d7234