Gentry, W.R.; Gislason, E.A.; Lee, Yuan-tseh; Mahan, B.H. & Tsao,Chi-wing. PRODUCT ENERGY AND ANGULAR DISTIBUTIONS FROM THE REACTION OP N2+WITH ISOTOPIC HYDROGEN MOLECULES, article, June 1, 1967; (https://digital.library.unt.edu/ark:/67531/metadc897876/m1/1/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .