RT Journal Article SR Electronic T1 Notice of corundum gems in the Himalaya region of India JF American Journal of Science JO Am J Sci FD American Journal of Science SP 339 OP 340 DO 10.2475/ajs.s3-26.155.339 VO s3-26 IS 155 A1 C. U. Shepard YR 1883 UL http://www.ajsonline.org/content/s3-26/155/339.abstract AB