00461nam a2200169Ia 4500003000900000008004100009040001600050080001700066100001500083245005500098260003700153300001500190490002300205650001900228650002500247650001900272IN-BaIIA211028s9999 xx 000 0 eng d cIIA Library a531.788bLEC aLeck, J. H 0aPressure measurement in vacuum systemscJ. H. Leck aNew YorkbChapman and Hallc1964 axii, 221p. aScience paperbacks aNASA thesaurus aPressure measurement aVacuum systems