1. Standard 93;ASHRAE,1986
2. Development of Solar-Flux Tracker for Parabolic-Trough Collectors;Boultinghouse,1982
3. Tracking-Refinement Modelling for Solar-Collector Control;Briggs,1980
4. Dynamic Response Analysis of a Solar Powered Heliotrophic Fluid-Mechanical Drive System;Cope,1981
5. Experience with a sun tracker system;Hession;Solar Energy,1984