01608oam 2200433I 450 991070514360332120140305080246.0(CKB)5470000002447921(OCoLC)761403278(EXLCZ)99547000000244792120111115d1960 ua 0engurmn|||||||||rdacontentrdamediardacarrierHelium refrigeration and liquefaction using a liquid hydrogen refrigerator for precooling /by D.B. Chelton [and four others]Washington, D.C. :National Bureau of Standards, United States Department of Commerce, Office of Technical Services,1960.1 online resource (i, 31 pages) illustrationsNational Bureau of Standards technical note ;39Title from title screen (viewed Mar. 5, 2014)."Boulder Laboratories"--Cover."January 27, 1960."Includes bibliographical references (page 31).Refrigeration and refrigerating machineryLiquid hydrogenRefrigeration and refrigerating machinery.Liquid hydrogen.Chelton D. B.1405146United States.National Bureau of Standards,Boulder Laboratories (U.S.),OCLCEOCLCEOCLCQGPOBOOK9910705143603321Helium refrigeration and liquefaction using a liquid hydrogen refrigerator for precooling3532604UNINA