Resh Howard M Hydroponics, questions and answers : problem-solving converstions with Howard M. Resh. - Santa Barbara, Calif. : Woodbridge Press, 1998. Includes index. ISBN: 0880072202 Subjects--Topical Terms: Hydroponics--Miscellanea LC Class. No.: SB126.5 Dewey Class. No.: 631.5/85