00253nam a2200109Ia 4500 509 MEN/H Menon, R.V.G History of Science And Technology Bhagya Book House Trivandrum 1991 Physics BK 3192 3192 0 0 0 0 GBCTL GBCTL F17 2023-11-22 70.00 1 2 509 MEN/H 29134 2024-03-19 2024-02-13 BK 0 0 0 0 GBCTL GBCTL F17 2023-11-22 90.00 3 4 509 MEN/H 34286 2024-07-06 2024-05-08 BK