RT Journal Article SR Electronic T1 Temperature variation of the thermal conductivities of marble and slate JF American Journal of Science JO Am J Sci FD American Journal of Science SP 435 OP 441 DO 10.2475/ajs.s3-50.300.435 VO s3-50 IS 300 A1 Peirce, B. O. A1 Willson, R. W. YR 1895 UL http://www.ajsonline.org/content/s3-50/300/435.abstract AB