TY - BOOK AU - Groot,J.J.de AU - Vliet,J.A.J.M.van,1940- TI - The High-pressure sodium lamp SN - 0333432452 PY - 1986/// CY - Houndmills PB - Macmillan Education KW - Electric lighting, Sodium discharge N1 - Includes bibliographical references (p. 305-323) and index ER -