The kodak workshop series : using filters / Eastman Kodak Company. - New York : Kodak Publication , 1988. - 96 pages : colored, illus. ; 27 cm Includes indexes. ISBN: 0-87-985-607-6 Subjects--Topical Terms: Photography--Light filters. Dewey Class. No.: F.P./G.Ed. 771.3'56 K76 1988