1. A study of the materials used for the construction of solar heating systems for domestic hot water;Lenel;Fulmer Res. Institute Rep. R902/2,1981
2. Selection materials for flat plate solar collectors;McQueen;J. Matls Energy Systems,1980
3. Solar Heating Materials Handbook;Homman,1981
4. Practical aspects of solar heating applications;Grimmer;SAMPE J.,1976
5. Domestic solar water heating system;Atkins Research and Development;Rep. ETSU,1978