000 00294nam a2200109Ia 4500
008 220510s1982 xx 000 0 und d
041 _aeng
082 _a509.54 DAG/SCI
100 _aDAGLI VADILAL ED.
_9788312
245 _aSCIENCE AND TECHNOLOGY IN INDIA.
260 _aN.DELHI
_b S. CHAND
_c1982
999 _c538509
_d538509