000 00262nam a2200109Ia 4500
008 221102s9999 xx 000 0 und d
100 _aSachs, Ignacy
245 0 _aResources, employment and development
260 _bR.G.I.C.S.
_c1989
300 _a40 p.
942 _cBK
999 _c539
_d539