Kannan, Miriam. "Comparative limnology of Ecuadorian lakes : a study of species number and composition of plankton communities of the Galapagos Islands and the Equatorial Andes /." Doctoral dissertation, Ohio State University, 1979. http://rave.ohiolink.edu/etdc/view?acc_num=osu148708576439437Chicago Manual of Style (17th edition)