@misc{presence+of+contaminants+in+refrigerant+and+their+effect+on+refrigeration+cycle, author = {Skrzyniowska, Dorota}, title = {Presence of contaminants in refrigerant and their effect on refrigeration cycle}, journal = {Journal of Energy and Power Engineering}, publisher = {David Publishing Company}, date = {2014}, number = {vol. 8, no. 2}, ISSN = {1934-8975 } }