L S Logendra, T J Gianfagna, H W Janes. Using mini-rockwool blocks as growing media for limited-cluster tomato production.HortTechnology. 2001, 11 (2): 175-9
D M Porterfield, T W Dreschel, M E Musgrave. A ground-based comparison of nutrient delivery technologies originally developed for growing plants in the spaceflight environment.HortTechnology. 2000, 10 (1): 179-85