1. See supplementary material at http://fomaxfilm.narod.ru for Infrared heating for greenhouses.
2. Norms of technological design of breeding complexes and reproduction greenhouses NTP-APK 1.10.09.001 - 02. (Ministry of Agriculture of the Russian Federation, Moscow, 2002) 29 p.
3. See supplementary material at http://teplodarets.com.ua for Heating of greenhouses with soil heating Ukraine: "The planter dayer i will be heating in good hands".
4. V. A. Bryzgalov, V. E. Sovetkina, N. I. Savinova, Protected ground vegetable growing (Kolos, Leningrad, 1983) 352 p.
5. See supplementary material at http://www.teploomsk.ru for Infrared heating systems based on film electric heaters in crop production.