1. The application of turboexpanders for energy conservation;Holm;ASME Paper 69 VIBR-58,1969
2. 8,000 hp Natural Gas Expander-Compressor, installed at Petro-Canada Exploration, Inc., Empress Plant at Empress, Alberta. Canada.
3. Stodola: Steam and Gas Turbines, Peter Smith Publishers, p. 312 (Steam Quality).