000 00258nam a2200109Ia 4500
008 221102s9999 xx 000 0 und d
100 _aThakur, C.P.
245 0 _aTechnological change & Industry
260 _bSRC
_aDelhi
_c1971
300 _a348 p.
942 _cBK
999 _c8167
_d8167