000 00261nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aSamuelson
245 0 _aEconomics
250 _a8th
260 _aNew York
_bMc. Graw Hill
650 _aEconomics
942 _cBK
999 _c402
_d402