(1)
Pacheco-Ruiz, I.; GarcĂ­a-Esquivel, Z.; Valenzuela-Grijalva, R.; Aguilar-Rosas, L. Biomass Seasonal Variations And Ecological Observations In Porphyra Perforata J. Ag. (Rhodophyta, Bangiales) In Todos Santos Bay, Baja California Mexico. Cienc. Mar. 1986, 12, 62-69.