00759nam a2200181Ia 4500003000900000008004100009020001800050040001600068080002100084111006800105245021100173260006100384300001400445490003300459650002200492650004100514700002200555IN-BaIIA211028s9999    xx            000 0 eng d  a0-937707-52-X  cIIA Library  a082.2:52bASP-33  aSymposium on Research Amateur AstronomycMexicod1991 July 7-12 0aResearch amateur astronomybproceedings of the symposium on research amateur astronomy held in La Paz,Baja California Sur, Mexico, 7-12 Jul 1991cedited by S. J. Edberg                                        aSan FranciscobAstronomical Society of the Pacificc1992  aix, 267p.  aASP conference series; v. 33  aAmateur astronomy  aAstronomy and astrophysics thesaurus  aEdberg, S. J ed.,