7Fagerli B E. Development and experiences with a her- merit COz compressor [ C ]. International Compressor Engineering Conference, Purdue, USA, 1996 : 1111.
8Rekstad H, Neksa P, Pisano G. Measurements on a two -stage COs compressor[ C]. Proceedingsof 6th Gustav Lorentzen Natural Working Fluids Conference, Glasgow, UK, 2004.
9Forsterling S, Tegethoff W, Kohler J. Theoretical and experimental investigations on Carbon Dioxide compres- sors for mobile air conditioning systems and transport re- frigeration[ C]. International Refrigeration and Air Con- ditioning Conference, Purdue, USA, 2002: 585.
10Nelik D, Rick B, Yun H H, et al. Two -stage rolling piston Carbon Dioxide compressor [ C ]. International Compressor Engineering Conference, Purdue, USA, 2004 : 1630:.
