Chemistry imagined : Reflections on science / Roald Hoffmann a. Vivian Torrence ; With a forew. by Carl Sagan a. a comm. by Lea Rosson DeLong. - Washington ; London : Smithsonian Institution Press, [1993]. - 168 p. : ill. ; 25 cm.см.. - (Popular science). - Bibliogr.: p. 167-168. - ISBN 1-56098-539-9 : [n. p.][MFN: 18836]