1. R. R. Amirov, Soedineniya metallov kak magnitno-relaksatsionnye zondy dlya vysokoorganizovannykh sred. Primenenie v MR-tomografii i khimii rastvorov [Metal Compounds as Magnetic Relax ation Probes for Highly Organized Media. Application in MR Imaging and Solution Chemistry], Novoe znanie, Kazan, 2005, 316.pp. (in Russian).
2. US Pat. 5494656; The University of Toledo, 1996, 08, 406356.
3. T. N. Kropacheva, A. N. Pagin, V. I. Kornev, Vestn. Ud murtskogo un-ta [Bull. Udmurt. Univ.], 2012, 4, 64 (in Russian).
4. P. Gans, A. Sabatini, A. Vacca, Talanta, 1996, 43, 1739–1753.
5. E. Gumienna-Kontecka, R. Silvagni, R. Lipinski, M. Lecoyvey, F. C. Marincola, G. Crisponi, V. M. Nurchi, Y. Leroux, H. Kozlowski, Inorg. Chim. Acta, 2002, 339, 111–118.