Carvalho, F.D and Montenegro Guillén, Salvador and Villeneuve, J. P and Cattini, C and Bartocci, J and Lacayo Romero, Martha and Cruz Granja, Adela del Carmen (1999) Chlorinated hydrocarbons in Coastal Lagoon of the Pacific Coast of Nicaragua. Archives of Environmental Contamination and Toxicology, 36. pp. 132-139.