[en] Discusses the various mass models which have been applied to spiral galaxies, neutral hydrogen observations, mass-to-light ratios, correction for gas pressure and non-circular motions. (B.R.H.)
Setti, G. (ed.) (Bologna Univ. (Italy)); North Atlantic Treaty Organization, Brussels (Belgium); NATO Advanced Study Institutes Series C; v. 21; p. 71-83; ISBN 9027703256; ; 1975; D. Reidel; Dordrecht, The Netherlands; NATO Advanced Study Institute on structure and evolution of galaxies; Erice, Italy; 22 Jun 1976