1. Seasonal occurrence and aggregation behavior of the sea urchin astropyga pulvinata (Echinodermata: Echinoidea) in Bahía Culebra, costa Rica1;Alvarado;Pac. Sci.,2008
2. Effects of surface and sunken crude oil on the behaviour of a sea urchin;Axiak;Mar. Pollut. Bull.,1981
3. Net Environmental Benefit Analysis (NEBA) of Dispersed Oil on Nearshore Tropical Ecosystems Derived From the 20 Year “Tropics” Field Study, International Oil Spill Conference Proceedings;Baca,2005
4. TROPICS: 30-year Follow-up and Analysis of Mangroves, Invertebrates, and Hydrocarbons, International Oil Spill Conference Proceedings;Baca,2014
5. Effects of a Dispersed and Undispersed Crude Oil on Mangroves, Seagrasses and Corals Prepared for the American Petroleum Institute;Ballou,1987