RT Journal Article SR Electronic T1 On the flexibility of itacolumite JF American Journal of Science JO Am J Sci FD American Journal of Science SP 203 OP 205 DO 10.2475/ajs.s3-28.165.203 VO s3-28 IS 165 A1 O. A. Derby YR 1884 UL http://www.ajsonline.org/content/s3-28/165/203.abstract AB