RT Journal Article SR Electronic T1 On the chemical composition of the uraninite from Branchville, Conn. JF American Journal of Science JO Am J Sci FD American Journal of Science SP 220 OP 222 DO 10.2475/ajs.s3-19.111.220 VO s3-19 IS 111 A1 Comstock, W. J. YR 1880 UL http://www.ajsonline.org/content/s3-19/111/220.abstract AB