H. Bilinski, B. Pokrić, Z. Pučar, Journal of Inorganic and Nuclear Chemistry, 33:10 (1971), 3409
W.P. Griffith, Coordination Chemistry Reviews, 5:4 (1970), 459
E.M. Larsen, Advances in Inorganic Chemistry and Radiochemistry, 13, 1970, 1
P. Pakalns, Analytica Chimica Acta, 44:1 (1969), 73
J. Hála, D. Phanková, Journal of Inorganic and Nuclear Chemistry, 29:12 (1967), 2983
J. Selbin, Angew. Chem., 78:15 (1966), 736
C.J. Hardy, B.O. Field, D. Scargill, Journal of Inorganic and Nuclear Chemistry, 28:10 (1966), 2408
J. Selbin, Angew. Chem. Int. Ed. Engl., 5:8 (1966), 712
R.G. Deshpande, P.K. Khopkar, C.L. Rao, H.D. Sharma, Journal of Inorganic and Nuclear Chemistry, 27:10 (1965), 2171
E.S. Pilkington, W. Wilson, Analytica Chimica Acta, 33 (1965), 577