Editore: The Virson Publishing Co, New York, 1948
Da: Bolerium Books Inc., San Francisco, CA, U.S.A.
96p., chronology, illustrated throughout with b&w photographs, very good in original pictorial wraps.
Editore: United States Government Printing Office, Washington, 1977
Condizione: very good. Sixth Edition. from the title page, "Isotope separation factors of the stable isotopes of hydrogen carbon, oxygen, and sulfur are plotted as a function of temperature, in degrees Celsius." softcover, 11.25" x 9", 9 text pages, 49 illustrations, pages unnumbered.