PT - JOURNAL ARTICLE AU - Draper, J. W. TI - On the phosphorograph of a solar spectrum, and the lines of its infrared region AID - 10.2475/ajs.s3-21.123.171 DP - 1881 Mar 01 TA - American Journal of Science PG - 171--182 VI - s3-21 IP - 123 4099 - http://www.ajsonline.org/content/s3-21/123/171.short 4100 - http://www.ajsonline.org/content/s3-21/123/171.full SO - Am J Sci1881 Mar 01; s3-21