[1]
L. E. . ORTIZ, R. . RESTREPO, C. A. ARENAS, and O. . BOHADA, “Implementation of an alternative skimming system and improvement of the final effluent quality in API separators”., CT&F Cienc. Tecnol. Futuro, vol. 1, no. 1, pp. 45–53, Dec. 1995.