1. Combined cooling, heating and power: A review of performance improvement and optimization
2. Design and construction of a LiBr–water absorption machine
3. S. Kaushik and S. Singh. International Journal for Research in Applied Science and Engineering Technology (IJRASET), 2, 2321–9653 (2014).
4. W.W. Pulkrabek. Engineering Fundamentals of the Internal combustion Engine. New Jersy: Pearson Education, 10 (1), 313–314 (1997).
5. D. Medved, “Trigeneration units. Intensive Programme” (Renewable Energy Sources, 2011).