Oryza sativa; literature on the races of rice in India,

"Vegetable product series, no. 113."

Über den einfluss des schwerereizes auf das wachstum der koleoptile von avena sativa.

Thesis (Ph. D.)--Zürich University.

Classification of Medicago sativa L. using legume characters and flower colors /

Issued Feb. 1978.