Treviño et al., 1977. J. Sci. Food Agric., 28: 684-686

Treviño, J. ; Hernandez, M. T., 1977. Effect of growth stage on the concentrations of various nitrogen fractions, including amino acids in lucerne (Medicago sativa L.) Cv Aragon. J. Sci. Food Agric., 28: 684-686