RT Journal Article SR Electronic T1 On a series of new combinations of ammonia, picric acid and metallic bases JF American Journal of Science JO Am J Sci FD American Journal of Science SP 78 OP 86 DO 10.2475/ajs.s2-31.91.78 VO s2-31 IS 91 A1 M. Carey Lea YR 1861 UL http://www.ajsonline.org/content/s2-31/91/78.abstract AB