H. Freeman

发表

P. Deshingkar, H. Freeman, J. Farrington, 2008 .

R. Ortiz, H. Freeman, D. Rohrbach, 2002 .

H A Freeman, P J A Van der Merwe, P Subrahmanyam, 2002, Experimental Agriculture.

Frank Ellis, Edward H. Allison, F. Ellis, 2004 .

A. J. Chiyembekeza, H. Freeman, P. Subrahmanyam, 2001 .

P. Deshingkar, F. Ellis, H. Freeman, 2005 .