TY - BOOK AU - MAJUMDAR, K . G . TI - (A) TEXT BOOK ON LIGHT / U1 - 535 PY - 1963/// CY - CALCUTTA PB - MODERN BOOK AGENCY KW - OPTICS KW - JIBANI - DINESH CHANDRA N1 - 2062 , 2168 / 1959 / 459 P / 8/- ER -