RT Journal Article SR Electronic T1 On certain artificial crystals of gold and gold amalgam JF American Journal of Science JO Am J Sci FD American Journal of Science SP 29 OP 32 DO 10.2475/ajs.s3-16.91.29 VO s3-16 IS 91 A1 A. H. Chester YR 1878 UL http://www.ajsonline.org/content/s3-16/91/29.abstract AB