1. Slooff R, Mcmichael AJ, Kjellstrom T. Global warming and stratospheric ozone depletion: two sources of risk to human health in the built environment. In: Proceedings of the Medical & Public Health Sessions of the Asia-Pacific Conference on the Built Environment, Singapore, 1–3 June, 1995. Vol. 2, pp. 13–24.
2. Herold KE, Radermacher R, Klein S. Absorption chillers and heat pumps. CRC Press, 1996,.
3. Ziegler F. Advanced absorption cycles. In: Proc. Int. Workshop on Heat Transformation and Storage, 9–11 October 1985, Ispra, Italy. Rep. No. S.A./I.04.D2. 85.35., CEC, Joint Research Center, Ispra Establishment.
4. Alefeld G. Double effect, triple effect and quardruple effect absorption machines. In: Proc. 16th Int. Congr. of Refr., Paris 2, 1983, pp. 951–6.
5. Ammonia-water triple-effect absorption cycles;DeVault;ASHRAE Trans.,1990