REFERENCES
- Berg , M. R. and Hassett , M. L. 1984 . “Conservation and Solar Energy in Residential and Commercial Buildings” . 97 Energy Policy March
- Duffie , J. A. , Beckman , W. A. and Dekker , J. G. 1977 . “Solar Heating in North America”. Engineering November
- MacGregor , A. W. K. 1981 . “A Comparison of the Climatic Suitability of Various Locations in the European Community for Solar Space Heating”. ” . In Proc. ISES Solar World Forum Pergamon .
- Sun , North . 1984 . Solar Energy at High Latitudes '84 Edinburgh : Scottish Solar Energy Group .