@article{ref56,
title = {Definitive evidence of interlayer coupling between Ga[sub 1 - x]Mn[sub x]As layers separated by a nonmagnetic spacer},
day = {xx},
journal = {Physical Review B (Condensed Matter and Materials Physics)},
month = {xx},
note = {10.1103/physrevb.76.205316},
pages = {205316},
url = {http://link.aps.org/abstract/PRB/v76/e205316},
volume = {76},
year = {2007},
issue = {20},
keywords = {RKKY }
}
::