00434nam a2200157Ia 4500003000900000008004100009020002200050040001600072080001700088100001800105245006100123260004800184300000900232650001600241650001900257IN-BaIIA211028s9999    xx            000 0 eng d  a978 1107 502 24 6  cIIA Library  a621.387bBEC  aBeck, A. H. W 0aThermonic valuesbtheir theory and designcA. H. W. Beck  aCambridgebCambridge University Pressc1953  a570p  aElectronics  aNASA Thesaurus