@article{ref40,
title = {Onset of Ferromagnetism in Low-Doped Ga[sub 1-x]Mn[sub x]As},
day = {xx},
journal = {Physical Review Letters},
month = {xx},
note = {10.1103/physrevlett.99.227205},
pages = {227205},
url = {http://link.aps.org/abstract/PRL/v99/e227205},
volume = {99},
year = {2007},
issn = {00319007}, issue = {22},
keywords = {Flatte }
}
::