1. Platen, B. C. and Munters, C. G., Refrigeration U.S. Patent No. 1,609,334, 1926.
2. A general diagram for the behavior of absorption machine with pressure balancing gas;Nesselmann;Zeitschrift fur die Gesamte Kalte-Indutrie,1933
3. Stierlin, H., Latest developments in domestic absorption refrigerators and the future outlook. In Proceedings of the XII International Conference on Refrigeration, Madrid, Paper No. 3, 1967, p.43.
4. Investigations on triple fluid vapour absorption refrigerator;Narayankhedkar;International Journal of Refrigeration,1985
5. Maczek, K. and Zoltaniecki, A., Some characteristics of thermal siphons for ammonia–water solutions. In IIR commissions(B1 B2 E1 E2) on Mixtures of Refrigerant Fluids: Properties and Applications, Mons, Belgium, 1980, pp. 257–264.