McMillan, Gladys. "Photosynthetic rates of the algae, Cladophora glomerata (L.) Kutzing and Ulothrix zonata Kutzing, growing naturally in western Lake Erie." Master's thesis, Ohio State University, 1951. http://rave.ohiolink.edu/etdc/view?acc_num=osu1212437060Chicago Manual of Style (17th edition)