RT Journal Article SR Electronic T1 On brushite, a new mineral occurring in phosphatic guano JF American Journal of Science JO Am J Sci FD American Journal of Science SP 43 OP 44 DO 10.2475/ajs.s2-39.115.43 VO s2-39 IS 115 A1 Moore, Gideon E. YR 1865 UL http://www.ajsonline.org/content/s2-39/115/43.abstract AB