RT Journal Article SR Electronic T1 The change of heat conductivity on passing isothermally from solid to liquid JF American Journal of Science JO Am J Sci FD American Journal of Science SP 1 OP 15 DO 10.2475/ajs.s3-44.259.1 VO s3-44 IS 259 A1 Carl Barus YR 1892 UL http://www.ajsonline.org/content/s3-44/259/1.abstract AB