About the Book:Origin and General Nature of Retroviruses; H.M. Temin. Structure and Classification of Retroviruses; J.M. Coffin. Evolutionary Potential of Complex Retroviruses; G.M. Myers, G.N. Pavlakis. Retroelements in Microorganisms; D.J. Garfinkel. Biology of Avian Retroviruses; L.N. Payne. Retroviruses in Rodents; C.A. Kozak, S. Ruscetti. 1 additional article. Index.