RT Journal Article SR Electronic T1 On American sulpho-selenides of mercury JF American Journal of Science JO Am J Sci FD American Journal of Science SP 312 OP 316 DO 10.2475/ajs.s3-21.124.312 VO s3-21 IS 124 A1 George Jarvis Brush YR 1881 UL http://www.ajsonline.org/content/s3-21/124/312.abstract AB