@book{4436,
	author = {Fehrenbach, C. H and Intenational Astronomical Union and International Astronomical Union Symposium and International Astronomical Union},
	title = {Spectral classification and multicolour photometry},
	publisher = {D. Reidel Publishing},
	year = {1973},
	series = {IAU Symposium; no. 50},
	address = {Dordrecht}
}