PT - JOURNAL ARTICLE AU - Clayton, H. H. TI - Six and seven day weather periods AID - 10.2475/ajs.s3-47.279.223 DP - 1894 Mar 01 TA - American Journal of Science PG - 223--231 VI - s3-47 IP - 279 4099 - http://www.ajsonline.org/content/s3-47/279/223.short 4100 - http://www.ajsonline.org/content/s3-47/279/223.full SO - Am J Sci1894 Mar 01; s3-47