RT Journal Article SR Electronic T1 Discovery of a new planet JF American Journal of Science JO Am J Sci FD American Journal of Science SP 208 DO 10.2475/ajs.s3-15.87.208 VO s3-15 IS 87 A1 Peters, C. H. F. YR 1878 UL http://www.ajsonline.org/content/s3-15/87/208.abstract AB