Vijn, Irma Early nodulin gene expression and the action of nod factors in Vicia sativa - - Wageningen Agricultural University 1995 - 101P. Thesis ISBN: 90-5485-379-4 ISSN: Subjects--Index Terms: Vicia sativa Vicia sativa - Node factors Nod formation - Vicia sativa Dewey Class. No.: 633.35:581.44