1. Association of Official Agricultural Chemists. 1955. Official Methods of Analysis, 8th Ed., P. 122.
2. Brownell, L. E., J. V. Nehemias, J. J. Bulmer. 1954. Designs for potato irradiation facilities, Publication of Fission Products Laboratory, Engineering Research Institute, Univ. of Mich., U.S. Atomic Energy Comm. Contract No. AT (11-1)-162.
3. Gordon, S. A. 1955. Studies on the mechanism of phytohormone damage by ionizing radiation. Inter. Conf. on the Peaceful Uses of Atomic Energy, U.S. Doc. A/Conf. 8/P/97 U.S.A.
4. Hannan, R. 1955. Scientific and technological problems involved in using ionizing radiation for the preservation of food. H. M. Stationery Office, London. Spec. Rpt. 61 Gr. Brit. Dept. of Sci. and Indus. Res.
5. International Commission on Radiological Units. 1954. Inter. Comm. Recommendations: Radiological Units. Nucleonics 12(1): 11.