@article{article93b9bb0e,
title   = {The composition, structure and optical properties of weakly magnetic Co-containing amorphous Si and Ge films},
author = {Ferri, F.A. and Silva, Marcelo de Assumpção Pereira da},
year = {2012},
doi = {10.1016/j.matchemphys.2012.02.044},
journal   = {Materials Chemistry and Physics}
}