00471nam a2200169Ia 4500003000900000008004100009020001600050040001600066080001200082100001900094245005200113260004900165300001500214650001400229650004100243650001700284IN-BaIIA211028s9999    xx            000 0 eng d  a340-05069-1  cIIA Library  a52bEVA  aEvans, David S 0aObservation in modern astronomycDavid S. Evans  aLondonbThe English Universities Pressc1968  axiv, 273p.  aAstronomy  aAstronomy and Astrophysics Thesaurus  aAstrophysics