1. Evaluation of a soil heat exchanger-storage system for a greenhouse. Part 1: System Performance;Bernier;Canadian Agricultural Engineering,1991
2. Effect of rootzone and air temperature on flowering, growth and keeping quality of Begonia x humalis “Toran”;Vogelezang;Scientia Horticulture,1990
3. Underground storage of solar energy for greenhouse heating. I. Analysis of seasonal storage system by scale and numerical models;Kurata;American Society of Agricultural Engineering,1991
4. Using solar energy in production of cucumber inside greenhouse under Egyptian conditions;El-Sayed;Misr, Journal of Agricultural Engineering,1993
5. I.H. Elsheikh, Soil Heating and Climate Simulation Model for Greenhouses, Ph.D. Thesis, University of Hanover, Germany, 87p.