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2. A Handbook of Normal Penaeid Shrimp Histology;Bell,1988
3. Fluctuación mensual de las larvas y crecimiento del mejillón Perna perna (L) y las condiciones ambientales de la Ensenada de Guatapanare, Venezuela;Carvajal;Bol. Inst. Oceangr. Univ. Oriente, Venezuela,1969
4. Bureau of Agricultural Statistics,1993
5. Gonad development of Placuna placenta Linnaeus fed Isochrysis galbana Parke, Tetraselmis tetrahele (G.S West) Butch, or their combination;Gallardo;Aquaculture,1992