RT Journal Article SR Electronic T1 The quantitative determination of rubidium by spectroscope JF American Journal of Science JO Am J Sci FD American Journal of Science SP 392 OP 400 DO 10.2475/ajs.s3-44.263.392 VO s3-44 IS 263 A1 Gooch, F. A. A1 Phinney, J. I. YR 1892 UL http://www.ajsonline.org/content/s3-44/263/392.abstract AB