TY - BOOK AU - RUDRA, ABANI MOHAN AU - BHATTACHARYA, APALA TI - SNATAK PADARTHA BIJNAN; WAVES AND OPTICS SN - 81-87447-03-6 U1 - 535.13 PY - 2020/// CY - KOLKATA : PB - THE NEW BOOK STALL KW - PHYSICS KW - WAVES & OPTICS ER -