00515nam a2200169Ia 4500003000900000008004100009040001600050080001300066100002000079245008300099260003200182300000900214490003100223650002800254650004100282650002200323IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a520bRON  aRonan, Colin A. 0aOptical AstronomycColin A. Ronan                                               aLondonbPhoenix Housec1964  a68p.  aProgress of Science Series  aAstronomical Techniques  aAstronomy and Astrophysics Thesaurus  aOptical Astronomy