1. THE PREPARATION OF RADIOACTIVE VITAMIN B12 BY DIRECT NEUTRON IRRADIATION1
2. Mass Isotope Dilution Assay for Gibberellic Acid
3. ARIVI, P., SIMPSON, S. A., TAIT, J. F. and WHITEHEAD, J. K., Second Oxford Radioisotope Conference, 1954, Vol. 1, Butterworths, London, 1954, p. 313.
4. Technique of Radiobiochemistry;ARONOFF,1956