Hakkila, Eero. "I. X-ray fluorescent spectrographic analysis of platinum, palladium, rhodium, and iridium. II. Ion exchange membrane-electrodialysis study of some rhodium and iridium compounds /." Doctoral dissertation, Ohio State University, 1957. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486464627809889Chicago Manual of Style (17th edition)