1. A/Conf. 15/P/2377;Perkins,1958
2. Total Absorption Gamma‐Ray Spectrometers Utilizing Anticoincidence Shielding
3. R.W. Perkins, to be published.
4. Concentrations of 12 radionuclides in air;Perkins;Science,1964
5. Anticoincidence shielded-multidimensional gamma-ray spectrometry for direct high sensitivity analysis of radionuclide mixtures,;Perkins,1964