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2. Akaboshi, M., Maeda, T., Noda, M., Waki, A. (Japan Kyoto Univ. Res. Reactor Inst.): Determination of trace elements in DNase I by the activation analysis. NSJ-Tr 141, Dec. 1968, 7 p.
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4. Alian, A., Hallaba, E., Etman, M., Bashat, H. (Atomic Energy Establishment, Cairo, Egypt.): Radioactivation and tracer studies on cements used in petroleum production operations.Microchem. J. 13 (1968) 690–8, see alsoNucl. Sci. Abstr. 23 (1969) No. 17379.
5. Allen, H. E., Hahn, R. B.: Determination of phosphate in natural waters by activation analysis of tungstophosphoric acid.Environ. Sci. Technol. 3 (1969) 844–8.