000 00389nam a2200145Ia 4500
008 130225s9999 xx 000 0 und d
080 _a338.9:333.9
100 _aPavelis, G.A.
245 _aPlanning natural resources development : An introductory guide
260 _aWashington
_c1972
300 _a30 p.
440 _aNo. 431; United States Depart
901 _a21086
942 _cB
_2udc
999 _c3144
_d3144