00590nam a22001337a 4500008004100000040005500041080002600096245018900122260007800311300001400389500001700403650002000420653001600440230310b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 025.43:629.7 bL1.1  aNASA thesaurus alphabetical update: bSubject terms for indexing scientific and technical informationc/ National Aeronautics and Space Administration, Washington D. C., September 1971  aWashington D. C.: bNational Aeronautics and Space Administration, c1971  axi, 610p.  aNASA SP-7040  aLibrary science  aAeronautics