1. Solar Heat Trap. Memorandum to Office of Production;Miller,1943
2. The Performance of Colorado Solar House;Löf,1961
3. G. O. G. Löf, Private communication, October 30, 1966.
4. Conduction Heat Transfer;Arpaci,1966
5. Influence of Turbulence on the Transfer of Heat with and without pressure gradient;Kestin;Int. J. Heat and Mass Transfer,1961