01076nam a2200265Ia 4500003000900000008004100009020001800050040001600068080002200084100002700106110003600133111008700169245017100256260004200427300001500469490002600484650003400510650004100544650003400585650003400619710003700653942000700690999001500697952009800712IN-BaIIA211028s9999    xx            000 0 eng d  a90-277-0280-2  cIIA Library  a082.2:52bIAU-S50  aFehrenbach, C. H97744  aIntenational Astronomical Union  aInternational Astronomical Union Symposiumn50thcArgentinad1971 Oct. 18-2497745 0aSpectral classification and multicolour photometrybproceedings of the IAU symposium no.50, held in Villa Carlos Paz, Argentina, October 18-24, 1971cC. H. Fehrenbach  aDordrechtbD. Reidel Publishingc1973  axiv, 314p.  aIAU Symposium; no. 50  aAstronomical Techniques91786  aAstronomy and Astrophysics Thesaurus  aMulti-colour Photometry94789  aSpectral Classification93993  aInternational Astronomical Union  cBK  c4436d4436  00104070aBANbBANcGENd1974-06-27l0o082.2:52/ IAU-S50p4952r2021-11-05w1974-06-27yBK