title: Cyanamide Formation under Primitive Earth Conditions.
abstract: The dimer of cyanamide, dicyandiamide, is formed upon ultraviolet irradiation of dilute cyanide solutions, and by the electron irradiation of a mixture of methane, ammonia, and water. Thus cyanamide may have had an important role in chemical evolution.
authors.forename: A
authors.initials: A
authors.lastname: Schimpl
authors.forename: R M
authors.initials: RM
authors.lastname: Lemmon
authors.forename: M
authors.initials: M
authors.lastname: Calvin