000 00287nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aAgarwal (M.C) and Monga (J.R)
245 0 _aWorld resources and trade Ed.5
260 _bNational
260 _c1980
365 _b25
942 _cBK
999 _c208284
_d208284