1. The end of cheap coal
2. Terrestrial energy;Aggarwal;Aerosp Am,2006
3. Terrestrial Temperature and Atmospheric Absorption
4. V.V.Alexeev, K.V.Chekarev, Solar energetics, Nauka, 1991, 60 p.
5. Contemporary stage of civilization development and its perspectives, Univ. of Colima Press, 2002, 139 p.; K. Ya. Kondratyev, I. Galindo, Global change situation: today and tomorrow, Univ. of Colima Press, 2002, 164 p; K.Ya.Kondratyev, Key aspects of global climate change;Kondratyev;Energy Environ,2004