000 00287nam a2200121Ia 4500
008 221001s1920 xx 000 0 eng d
082 _a332.4 KHA
100 _aKhanna, K. K.
245 0 _aWorld resorces and trade
260 _aDelhi
_bS. Chand
_c1920
300 _a393p.
942 _2ddc
_cBK
999 _c1527
_d1527