PT  - JOURNAL ARTICLE
AU  - S. P. Langley
TI  - The history of a doctrine
AID  - 10.2475/ajs.s3-37.217.1
DP  - 1889 Jan 01
TA  - American Journal of Science
PG  - 1--22
VI  - s3-37
IP  - 217
4099  - http://www.ajsonline.org/content/s3-37/217/1.short
4100  - http://www.ajsonline.org/content/s3-37/217/1.full
SO  - Am J Sci1889 Jan 01; s3-37