Organic solid-state chemistry 2 : plenary lectures prestnted at the 2nd International Symposium on Organic Solid-State Chemistry, held in Rehovot, Israel, 14-18, September, 1970 - International Symposium on Organic Solid-State Chemistry; International Union of Pure and Applied Chemistry. Organic Chemistry Division; International Union of Crystallography; Cohen, M. D. (Butterworths, 1971)