1. Absorption coefficients for thermal neutrons;Zahn;Physical Review,1937
2. Absorption coefficients for thermal neutrons;Laporte;Physical Review,1937
3. Notes on Intensities of Radiofrequency Spectra;Torrey;Physical Review,1941
4. The integral;Kruse;Jour. of Math. and Physics,1951
5. Table of;Goodwin;Quarterly Journal Mech. Appl. Math.,1948