000 00251nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aR V G MENON
245 _aHISTORY OF SCIENCE AND TECHNOLOGY
250 _a4
260 _c1991
_b"BHAGYA BOOK HOUSE, TVM"
999 _c21874
_d21874