Quantitative electron microscopy : proceedings of a symposium... held at the Armed forces institute of pathology, Washington, D.C., March 30 through April 3, 1964 / sponsored jointly by the Intersociety committee for research potential in pathology, aided by a grant... from the National institutes of health and the Armed forces institute of pathology with a contrat from the United states army medical research and development command ; organized and ed. by Gunther F. Bahr and Elmar H. Zeitler,.