Preface; A.L. Peratt. Introduction to plasma astrophysics and cosmology; A.L. Peratt. The redshift revisited; A.K.T. Assis, M.C.D. Neves. Redshift quantization - A review; W.G. Tifft. Determination of true velocity dispersion and the dark matter problem in clusters of galaxies; A. Ghosh. Low correlation between redshift and intrinsic brightness for quasars and galaxies in a De Sitter universe; J.B. Miller, T.E. Miller. Intergalactic radio absorption...