@article{article1ae2e619,
title   = {Microscopic structure of nickel-dopant centers in diamond},
author = {Larico, R and Machado, Wanda Valle Marcondes and Justo Filho, João Francisco and Assali, L. V. C.},
year = {2006},
doi = {10.1590/s0103-97332006000300009},
journal   = {Brazilian Journal of Physics}
}