海量图书期刊资源，随时随地畅享阅读乐趣
VULCAN: A LOW-RESOLUTION SPECTROPHOTOMETER FOR MEASURING THE INTEGRATED COLORS OF GALAXIESK. D. RAKOS, W. W. WEISS, S. MÜLLER, R. PRESSBERGER, P. WACHTLER, J. M. SCHOMBERT and T. J. KREIDL · Publications of the Astronomical Society of the Pacific · 1990