1. Baes Jr., C.F., Mesmer, R.E., 1976. The Hydrolysis of Cations. John Wiley & Sibs, USA, pp. 353–35.
2. Extending the life of a Tc-99m generator;Blower;Nucl. Med. Commun.,1993
3. Blumenthal, W.B., 1958. The Chemical Behaviour of Zirconium. D. Van Nostrand Company, Inc., Canada, pp. 164–200.
4. Gel generator;Boyd;Appl. Radiat. Isot.,1997
5. Vibrational and X-ray photoelectron spectroscopy for MoWCl4(PMe3)4;Carlin;Inorg. Chem.,1989