Crystal -field parameters for the cubic complexes pf formula: ['EU''(TMU) IND.6'] 'X IND.3' (x ='CL''O POT.- IND.4', p'F POT.- IND.6', 'F IND.3'c-s'O POT.- IND.3') (tmu = n, n, n', N' - tetramethylurea) - Zinner, Lea Barbieri; Brito, Hermi Felinto de; Vicentini, Geraldo; Nascimento, A B (Anais da Academia Brasileira de Ciencias, 1989)