RT Journal Article SR Electronic T1 Continuity of the glacial period JF American Journal of Science JO Am J Sci FD American Journal of Science SP 161 OP 187 DO 10.2475/ajs.s3-47.279.161 VO s3-47 IS 279 A1 George Frederick Wright YR 1894 UL http://www.ajsonline.org/content/s3-47/279/161.abstract AB