@inproceedings{inproceedings5b3db66e,
title   = {Manganese and iron impurities in gallium nitride},
author = {Assali, Lucy Vitoria Credidio and Ayres, F and Machado, Wanda Valle Marcondes and Justo Filho, João Francisco},
year = {2003},
publisher = {Elsevier Science},
booktitle   = {International Conference on Defects in Semiconductors}
}