PT - JOURNAL ARTICLE AU - J. Croll TI - Examination of Mr. Alfred Wallace's modification of the physical theory of secular changes of climate AID - 10.2475/ajs.s3-27.162.432 DP - 1884 Jun 01 TA - American Journal of Science PG - 432--441 VI - s3-27 IP - 162 4099 - http://www.ajsonline.org/content/s3-27/162/432.short 4100 - http://www.ajsonline.org/content/s3-27/162/432.full SO - Am J Sci1884 Jun 01; s3-27