Bustillos-Guzmán, J., I. Gárate-Lizárraga, D. López-Cortés, and F. Hernández-Sandoval. “The Use of Pigment ‘fingerprints’ in the Study of Harmful Algal Blooms”. Revista De Biología Tropical, vol. 52, no. S1, Sept. 2004, pp. 17–26, https://revistas.ucr.ac.cr/index.php/rbt/article/view/26491.