Hydroponics : A Practical Guide for the Soilless Grower. Ed 2 - J.Benton Jones Jr (New York CRC Press, 2005)
J.Benton Jones Jr: Hydroponics : A Practical Guide for the Soilless Grower. Ed 2. (2nd Ed) New York. CRC Press, 2005. 0-8493-3167-6--(631.585JON)
ENGLISH