000 00256nam a2200097 4500
082 _a509 MEN/HIS;1
100 _aMenon, R V G
245 _aHistory of science and technology
_cby Menon, R V G
260 _aTrivandrum
_bCollege Book House
_c1978
942 _cBK
999 _c379610
_d379610