Badger, R M THE SEPARATION OF THE TWO TYPES OF IODINE MOLECULE AND THE PHOTOCHEMICAL REACTION OF GASEOUS IODINE WITH HEXENE. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Dec 1930 - 808-11 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.16.12.808 doi