Lawrence A. Beard
发表
Lawrence A. Beard,
Joseph P. Akpan,
Linda Johnston,
2013
.
Lawrence A. Beard,
Cynthia Harper,
Gena Riley,
2004
.
Lawrence A. Beard,
Gena Riley,
Jennifer Strain,
2004
.
Lawrence A. Beard,
Linda Johnston,
Laura Bowden Carpenter,
2006
.