00550nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001600084245011800100260004800218300001400266650004100280650001500321650001900336700002500355IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-33300-8  cIIA Library  a524.33bTHE 4aThe study of variable stars using small telescopescedited by John R Percy                                         aCambridgebCambridge University Pressc1986  avi, 265p.  aAstronomy and astrophysics thesaurus  aTelescopes  aVariable stars  aPercy, John R., ed.