RT Journal Article SR Electronic T1 The electrical resistance of stressed glass JF American Journal of Science JO Am J Sci FD American Journal of Science SP 339 OP 350 DO 10.2475/ajs.s3-37.221.339 VO s3-37 IS 221 A1 Carl Barus YR 1889 UL http://www.ajsonline.org/content/s3-37/221/339.abstract AB