N. E. . RAMÍREZ, M. C. . VARGAS, S. M. . RUEDA, and F. N. . SÁNCHEZ, “Isolation of microorganisms with capability to degrade polycyclic aromatic hydrocarbons (PAH’S)”, CT&F Cienc. Tecnol. Futuro, vol. 1, no. 2, pp. 45–53, Dec. 1996.