00543nam a22001697a 4500 230504b |||||||| |||| 00| 0 eng d 81-224-0469-3 National Science Library National Science Library 681.7.068:621.39 N2 Fundamentals of fibre optics: In telecommunication and sensor systems New Delhi: Wiley Eastern Limited, 1992 xxii, 778p. Industries Electromagnetic Pal, Bishnu P (Ed.) udc REF 26907 26907 0 0 0 681706862139_N2 0 REF 39591 NSL NSL GF/Rk-21/C-9/R-7 1993-03-01 0 681.7.068:621.39 N2 173530 2023-05-04 00:00:00 1993-03-01 REF