1. Studies of root development;Barker;Long Ashton Res. Stn. Rep.,1922
2. A method of growing plants in water vapor to facilitate examination of roots;Carter;Phytopathology,1942
3. The water-culture method for growing plants without soil;Hoagland;Calif. Agr. Exp. Sta. Cir. no.,1938
4. A simplified method of growing plants with roots in nutrient vapors;Klotz;Phytopathology,1944
5. Growing plants in aeroponics growth system;Nir;Acta Hortic.,1982