000 00301nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a330.101.542
_bLAY
100 _aLAYARD, P R G
245 0 _aMicroeconomic theory
260 _aNew York
_bMcgraw Hill
_c1978
700 _aWALTERS, A A
942 _cBK
999 _c28414
_d28414