TY - BOOK AU - Walker,Bruce H. TI - Optical engineering fundamentals SN - 0819427640 (softcover) AV - TA1520 .W35 2003 U1 - 681/.4 21 PY - 2003/// CY - New Delhi PB - Prentice Hall of India KW - Optics KW - Lenses KW - Optical instruments N1 - Originally published: New York : McGraw-Hill, 1995; Includes bibliographical references (p. 309-312) and index ER -