James Sholto Douglas 
Beginner`s guide to hydrophonics : soilless gardening 
 - London  Pelham Books  1984 
 - 140p 
James Sholto Douglas: Beginner`s guide to hydrophonics : soilless gardening.  London.  Pelham Books, 1984. 0-7207-1507-5--(631.585DOU)   
ENGLISH 
0-7207-1507-5 
631.585  / DOU