000 00295nam a2200133Ia 4500
008 221102s9999 xx 000 0 und d
082 _a00 HEI-E
100 _aHeilbroner, R.L.
245 0 _aEconomic problum
250 _aII ed.
260 _bPrentice Hall
_c1970
300 _a682 p.
942 _cBK
999 _c55
_d55