1. The monitoring of 16 domestic air-to-water heat pumps;The Electricity Council,1982
2. Defrosting of air units in central systems;Nieder;ASHRAE Trans.,1975
3. Averages and frequency distributions of humidity for Great Britain and Northern Ireland;Meteorological Office;Climatological Memorandum,1976
4. How frost formation affects refrigeration systems;Stoecker;Refrigng Engr,1965
5. The effects of frosting and defrosting on the performance of air-to-water heat pumps;Tassou;Appl. Energy,1987