1. Akwatukee Solar Home, Phoenix, Arizona. Electronics, p. 461 (1980).
2. Intel Corporation (1977). MCS-48 Microcomputer Users’ Manual. Santa Clara, California, U.S.A.
3. Short Course in Microprocessors for Solar Energy Applications;Paton,1978
4. Paton, B. E., (1978). 16 Channel Data Logger. 5th Course on Solar Energy Conversion, p. 979, Pergamon Press, 1979.
5. Electronic Industries Association (1969). Interface between Data Terminal Equipment and Data Communication Equipment Employing Serial Binary Data Interchange. EIA RS 232C Standard, Washington, D.C., U.S.A.