000 00285nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aBilas (Richard A)
245 0 _aMicro economic theroy
260 _b"McGraw-Hill, Kogaknsha"
260 _c1971
365 _b67.58
942 _cBK
999 _c203818
_d203818