na INLIS000000000000173 20260224085437 0010-0317000171 260224 0 A Text Book of Optics / N. Subrahmanyam Subrahmanyam, N. 12th ed. S. Chand & Company, 1982 xvi, 603 hlm. ; 21 cm 535.2 Sub t 535.2 Cahaya 087490112