RT Journal Article SR Electronic T1 On caesium-mercuric halides JF American Journal of Science JO Am J Sci FD American Journal of Science SP 221 OP 236 DO 10.2475/ajs.s3-44.261.221 VO s3-44 IS 261 A1 Wells, H. L. YR 1892 UL http://www.ajsonline.org/content/s3-44/261/221.abstract AB