000 00363nam a2200145Ia 4500
001 10830
008 170722s9999 xx 000 0 und d
100 _aMenon, R. V. G.
245 _aHistory of science and technology /
260 _aCollege book house :
_bTvm ,
_c1978.
300 _aviii+160
_c21.5cms
653 _aHistory
653 _aScience
942 _cGEN
999 _c91649
_d91649