Rusoff et al., 1980. J. Agric. Food Chem., 28 (4): 848–850

Rusoff, L. L. ; Blakeney, E. W. Jr. ; Culley, D. D. Jr., 1980. Duckweeds (Lemnaceae family): a potential source of protein and amino acids. J. Agric. Food Chem., 28 (4): 848–850