J. Shepperd

Knowledge is power : how magic, the government and an apocalyptic vision inspired Francis Bacon to create modern science

J. Shepperd, 2003 .

Transitivities of Betweenness and Separation and the Definition of Betweenness and Separation Groups

J. Shepperd, 1956 .

Yield of synthetic backcross-derived lines in rainfed environments of Australia

M. Ginkel, R. Trethowan, F. Ogbonnaya, 2007, Euphytica.