1. Anon, 1988. Sylvania Catalogue.
2. American Society for Testing and Materials (ASTM), 1980. Manual on the use of Thermocouples in Temperature Measurement, Chap. 12. Temperature Measurement Uncertainty. Philadelphia, pp. 236–247.
3. Ayalew, G., 1992. Development of an Infrared Reflectance Moisture meter Applied to Peat. M. Eng. Sc. thesis, National University of Ireland.
4. An infrared reflectance backscatter moisture gage;Beutler;Tappi,1965
5. Measurement of moisture and substance by infra-red radiation;Brunton;Measurement and Control,1970