TY - BOOK AU - Ghatak,A.K. TI - Optics SN - 0074601385 U1 - 535 21 PY - 0000///Tata McGraw-Hill Higher Education, PY - 1992///.[Reprinted 2001] CY - New york, New Delhi KW - Optics N1 - Includes bibliographical references and index ER -