Bhattathiri, P M A, and V P Devassy. “EFFECT OF SALINITY ON PIGMENT CONCENTRATIONS OF SOME TROPICAL PHYTOPLANKTERS”. Indian Journal of Fisheries, vol. 22, no. 1 & 2, Nov. 2011, pp. 107-12, https://epubs.icar.org.in/index.php/IJF/article/view/12219.