Bergersen, F. J. Root nodules of legumes : structure and functions / F.J. Bergersen - Chichester : Research Studies Press, 1982 - x, 164 p. : ill. ; 24 cm. - Botanical research studies ; 1 . Bibliography: p.129-159 Includes index ISBN: 0471104566 Subjects--Topical Terms: LeguminosaeLegumesRoot--tubercles