00506nam a22001337a 4500008004100000040005500041080002200096245013300118250001300251260005000264300001400314650002000328653002400348230313b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 025.49LC bLib   aClassification: bClass A general works polygraphy c/The Library of Congress Processing Department Subject Cataloging Division   a3rd ed.   aWashington: bThe Library of Congress, c1963  aiv, 47p.   aClassification   aSubject cataloging