1. The impact of the new technologies on the development of refrigeration equipment and/or heat pumps. Subgroup 1: Compression Systems;Lallemand,1992
2. New solutions for refrigerating compressors, refrigerating cycles with respect to savings in energy and substitutes for CFCs;Kruse;IIF-IIR, Comm. B2, C2, D1, D2/3,1990
3. Progress achieved in refrigerating machinery and trends for further development;Nowotny,1991
4. The evolution of the high efficiency two-pole hermetic compressor;Siewert,1992
5. Design and performance of an inertia reciprocating compressor;Di Flora,1992