D. Cooke, S. J. Hurel, A. Casbard, L. Steed, S. Walker, S. Meredith, A. J. Nunn, A. Manca, M. Sculpher, M. Barnard, D. Kerr, J. U. Weaver, J. Ahlquist and S. P. Newman
Diabetic Medicine 26 ( 5 ): 540 - 545 , 2009
Kindie Tesfaye, S. Walker and M. Tsubo
Journal of Agronomy 7 ( 2 ): 102 - 114 , 2008
B. Augustyniak, M. Chmielewski, M. J. Sablik, M. Augustyniak and S. Walker
Nondestructive Testing and Evaluation 24 ( 1-2 ): 121 - 141 , 2009