RT Journal Article SR Electronic T1 Estimation of chromium and aluminium in steel and iron JF American Journal of Science JO Am J Sci FD American Journal of Science SP 421 OP 425 DO 10.2475/ajs.s3-13.78.421 VO s3-13 IS 78 A1 Blair, Andrew A. YR 1877 UL http://www.ajsonline.org/content/s3-13/78/421.abstract AB