00540nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001200084100002000096245009400116260004000210300001600250650001400266650004100280700001900321700001800340IN-BaIIA211028s9999    xx            000 0 eng d  a0-8403-0980-5  cIIA Library  a52bKEL  aKelsey, Linda J 0aAstronomybactivities and experimentscLinda J. Kelsey, Darrel B. Hoff, and John S. Neff.  aIowabKendall-Hunt Publishingc1974  axiii, 187p.  aAstronomy  aAstronomy and Astrophysics Thesaurus  aHoff, Darrel B  aNeff, John S.