@article{articlea6980e25,
title   = {Spectral studies of neodymium complexes containing tetramethylurea (tmu) as ligand},
author = {Zinner, Lea Barbieri and Brito, Hermi Felinto de and Vicentini, Geraldo and Nascimento, A B},
year = {1989},
doi = {10.1016/0022-5088(89)90039-8},
journal   = {Journal of Less-Common Metals}
}