000 00273nam a2200109Ia 4500
999 _c8136
_d8136
100 _aRohatgi P K
245 _aTechnological Forecasting
260 _c1979
_bTATA McGRAW HILLPUBLISHING CO.
_aNew Delhi
300 _axi+320
700 _aKalpana Rohatgi
_eBowonder B
942 _cBK