PT - JOURNAL ARTICLE AU - E. W. Morley TI - On a possible cause of variation in the proportion of oxygen in the air AID - 10.2475/ajs.s3-18.105.168 DP - 1879 Sep 01 TA - American Journal of Science PG - 168--177 VI - s3-18 IP - 105 4099 - http://www.ajsonline.org/content/s3-18/105/168.short 4100 - http://www.ajsonline.org/content/s3-18/105/168.full SO - Am J Sci1879 Sep 01; s3-18