no information.
- Bigelow, H. B. and Schroeder, W.C., 1953; Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley., 1989; Lieske, E. and R. Myers, 1994; Smith, C.L., 1997; Heemstra, P.C., 1986; Collette, B.B., 1997; Cervigón, F., R. Cipriani, W. Fischer, L. Garibaldi, M. Hendrickx, A.J. Lemus, R. Márquez, J.M. Poutiers, G. Robaina and B. Rodriguez, 1992.
