Bhatia, B., M. P. Bhutra, y S. P. Tandon. 1. «Spectroscopic Study of pr3+-Amino Acid Ternary Complexes in Aquo Solution». Rev. Téc. Fac. Ing. Univ. Zulia 11 (1). https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/5318.