1. Recent developments in generators of 99mTc;Boyd,1973
2. Evans, J. V. and Matthews, R. W. (1978) Aust. Pat. 515808, U.K. Pat. 2000361, Can. Pat. 1131429, US Pat 4280053, Fed. Rep. Ger. Pat. P2825216-6, Fr. Pat. 7817398, Jap. Pat. PA69739.
3. Zirconium molybdate gel as a generator for technetium-99m—I. The concept and its evaluation;Evans;Appl. Radiat. Isot.,1987
4. Zirconium molybdate gel as a generator for technetium-99m—II. High activity generators;Moore;Appl. Radiat. Isot.,1987
5. The Technetium-99m Generator;Richards;Rep. BNL-9032,1965