Koretchko, J. Bench scale study of the vacuum freezing ejector absorption process / by J. Koretchko [and] G. Hajela - Washington, D. C. : United States Government Printing Office, 1971 - vii, 257 p. ; 26 cm. - Research and development progress report ; no. 744 . Subjects--Topical Terms: Vacuum technologyMetals Dewey Class. No.: 620.1