N. K. Sane,A. S. Padalkar,S. Devotta.Performance assessment of HC-290 as a drop-in substitute to HCFC-22 in a window air conditioner[J].International Journal of Refrigeration.2005,28(4).
G Lorentzen.The use of natural refrigerants: a complete solution to the CFC/HCFC predicament[J].International Journal of Refrigeration.1995,18(3).190-197.