000 00305nam a2200121Ia 4500
020 _a81-7236-063-0
250 _a2nd ed
942 _cBK
245 _aGolden treasury of science & technology
260 _aPublications & Information Directorate, New Delhi
_c1993
082 _aR503 G.T.S.T.
300 _a360
999 _c33788
_d33788