000 00275nam a2200109Ia 4500
100 _aPatel, Surendra J.
942 _cBK
654 _a
245 _aTechnological transformation
_bVolume V Historic process
260 _aAhmedabad
_bGujarat vidyapith
_c1996
082 _a338.927
999 _c396025
_d396025
041 _aeng