RT Journal Article SR Electronic T1 Research on the absolute unit of electrical resistance JF American Journal of Science JO Am J Sci FD American Journal of Science SP 430 OP 439 DO 10.2475/ajs.s3-15.90.430 VO s3-15 IS 90 A1 Rowland, H. A. YR 1878 UL http://www.ajsonline.org/content/s3-15/90/430.abstract AB