1. D. J. HUGHES, “Pile Neutron Research,” Chap. 4. Addison-Wesley, Reading, Massachusetts, 1953.
2. Production of Carrier-free Cobalt-58 by Pile Irradiation of Nickel
3. R. P. SCHUMANN AND A. C. NEWHERTER, Knolls Atomic Power Laboratory Report KAPL-1779 (1957).
4. C. E. MELLISH, J. A. PAYNE, AND R. L. OTLET, Flux and cross section measurements with fast fission neutrons in BEPO and DIDO. Atomic Energy Re-search Establishment Report AEREI/R 2630 (July, 1958).
5. Production Cross Section of N6and N17