00410nam a22001577a 4500 230630b |||||||| |||| 00| 0 eng d National Science Library National Science Library 929:53 N9 Vatsya, Santram न्यूटन Newton Delhi: Gyan Bharti, 1999 42p. Science udc HBK 48629 48629 0 0 udc 0 92953_N9 0 75223 NSL NSL GF/REF/Rk-2/C-9/R-3 2003-05-30 0 929:53 N9 181136 2023-06-30 00:00:00 2003-05-30 HBK