000 00291nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aK K Khanna/V K Gupta
245 0 _aEconomic & commercial geography
250 _a2nd
260 _aDelhi
_bS Chand
_c1971
650 _aEconomics
942 _cBK
999 _c795
_d795