Zagal, E. Biological nitrogen fixation: Trials on ground-nut, soya-bean and common bean (Phaseolus vulgaris) 1981-1983. Rome (Italy).
Chicago Style (17th ed.) CitationZagal, E. Biological Nitrogen Fixation: Trials on Ground-nut, Soya-bean and Common Bean (Phaseolus Vulgaris) 1981-1983. Rome (Italy).
MLA (8th ed.) CitationZagal, E. Biological Nitrogen Fixation: Trials on Ground-nut, Soya-bean and Common Bean (Phaseolus Vulgaris) 1981-1983. Rome (Italy).
IICA/CATIE CitationZagal, E. Biological nitrogen fixation: Trials on ground-nut, soya-bean and common bean (Phaseolus vulgaris) 1981-1983. Rome (Italy).
Warning: These citations may not always be 100% accurate.