Lopes, C. da P. and Cerqueira, W.R.P. 2007. Growth and reproductive biology aspects of sea urchin population of Lytechinus variegatus Lamarck, 1816 (Echinodermata: Echinoidea) from the Ribeira Beach, Salvador, Bahia, Brazil. SITIENTIBUS série Ciências Biológicas. 7, 4 (Dec. 2007), 370–376. DOI:https://doi.org/10.13102/scb8106.