1. Selection of pea lines for resistance to pathotypes of Ascochyta pinodes, A. pisi and Phoma medicagenis var. pinodella, Austral;Ali;J. Agric. Res.,1978
2. Influence of nitrogen fixation on seed protein content in pea (Pisum sativum L.);Atta,1995
3. Etude de la variabilité génétique pour la fixation et la remobilisation de l'azote chez le pois (Pisum sativum L.);Atta,1995
4. Screening peas for winter hardiness under field and laboratory conditions;Auld;Crop Sci.,1983
5. Assaying nitrogenase (C2H2) activity in the field;Balandreau;Bull. Ecol. Res. Com. (Stockholm),1973