PT - JOURNAL ARTICLE AU - Hodges, N. D. C. TI - On the mean free path of a molecule AID - 10.2475/ajs.s3-19.111.222 DP - 1880 Mar 01 TA - American Journal of Science PG - 222--224 VI - s3-19 IP - 111 4099 - http://www.ajsonline.org/content/s3-19/111/222.short 4100 - http://www.ajsonline.org/content/s3-19/111/222.full SO - Am J Sci1880 Mar 01; s3-19