"16681665"^^ . . . . . . "En poste : College of agriculture and biological sciences, South Dakota State University, Brookings (en 1996)"@fr . "2013-05-07" . "En poste : College of agriculture and biological sciences, South Dakota State University, Brookings (en 1996)" . . . . "En poste : College of agriculture and biological sciences, South Dakota State University, Brookings (en 1996)" . "2013-12-17"^^ . "male" . . . "Willis" . "000000008325054X" . "David W." . "2013-12-18" . "David W. Willis" . . "David W. Willis"@fr . . . . . . . "ISNI" .