000 00267nam a2200109Ia 4500
008 220201s1971 xx 000 0 eng d
100 _aChawdhuri, Sameer Kumar Hajra
245 0 _aKaryashala aodhyogik k multatav
260 _bNA
_c1971
300 _a645
942 _2ddc
999 _c78004
_d78004