RT Journal Article SR Electronic T1 Re-discovery of the double star HI. 41 JF American Journal of Science JO Am J Sci FD American Journal of Science SP 457 DO 10.2475/ajs.s3-9.54.457 VO s3-9 IS 54 A1 Burnham, S. W. YR 1875 UL http://www.ajsonline.org/content/s3-9/54/457.abstract AB