00727nam a2200253Ia 4500 250558 OCoLC 20160527185834.0 910520s1990 at a b 1 eng 91154495 0864173008 19.95 DLC DLC AGL PUXA ab SB126.5 .M37 1990 SB126.5.M37 F110 631.585 M3981c 20 Mason, John. Local 132465 Commercial hydroponics John Mason. Kenthurst, NSW Kangaroo Press 1990. 172 p. ill. (some col.) 25 cm. Includes bibliographical references (p. 170) and index. Hydroponics. Local 113607 180094 180094 0 0 ddc 0 631_585000000000000_M3981C 0 abl 97198 1 1 17 2016-05-27 19.95 347955 0 631.585 M3981c 60000003036446 2016-05-27 00:00:00 r:250558 6