00966nam a2200253Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d 90-277-0280-2 IIA Library 082.2:52 IAU-S50 Fehrenbach, C. H 7744 Intenational Astronomical Union International Astronomical Union Symposium 50th Argentina 1971 Oct. 18-24 7745 Spectral classification and multicolour photometry proceedings of the IAU symposium no.50, held in Villa Carlos Paz, Argentina, October 18-24, 1971 C. H. Fehrenbach Dordrecht D. Reidel Publishing 1973 xiv, 314p. IAU Symposium; no. 50 Astronomical Techniques 1786 Astronomy and Astrophysics Thesaurus Multi-colour Photometry 4789 Spectral Classification 3993 International Astronomical Union BK 4436 4436 0 0 0 0 BAN BAN GEN 1974-06-27 0 082.2:52/ IAU-S50 4952 2021-11-05 1974-06-27 BK