Too many people need to switch on the air-conditioning every time the sun comes up and light a fire as soon as it does down again. The sun is a wonderful source of energy that comes free of charge to all of us.
Reference:
Lotz, F.J. & Billingham, P.A. 1974. Introductory guide to temperature control. (BG). NBRI/CSIR. http://hdl.handle.net/10204/4658 .
Lotz, F. J., & Billingham, P. A. (1974). Introductory guide to temperature control (BG). NBRI/CSIR. Retrieved from http://hdl.handle.net/10204/4658
Lotz, F.J, and P.A Billingham Introductory guide to temperature control. BG. NBRI/CSIR, 1974. http://hdl.handle.net/10204/4658
Lotz FJ, Billingham PA. Introductory guide to temperature control. 1974 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/4658