1. Historical development of building energy calculations;Marx Ayres;ASHRAE J,1995
2. Degree-days method for simplified energy analysis;Fischer;ASHRAE Trans,1982
3. ASHRAE Handbook of Fundamentals. American Society of Heating, Refrigerating and Air-Conditioning Engineers Inc. Atlanta, USA; 1985 [chapter 28].
4. Heating and cooling of buildings;Kreider,1994
5. Meteorological data for implementation of solar energy applications in various cities in Greece;Pelekanos,1982