Characterization of lubricating oil effects on the performance of reciprocating compressors in air–water heat pumps
International Journal of Refrigeration (2017) - Comments
doi: 10.1016/j.ijrefrig.2016.11.017  issn: 0140-7007 

Faraz Afshari, Omer Comakli, Asghar Lesani, Sendogan Karagoz