Andrade, D. S.; Ataíde, L. T.; Souza, J. R. P. de; Goes, K. C. G. P. de; Moritz, P. Morphological, Physiological and Plant Infectivity Characterization of Frankia Strains Isolated from Casuarina’s Nodules. Semina: Ciênc. Agrár. 2007, 28, 597-608.