PT  - JOURNAL ARTICLE
AU  - Wilson, Edwin Bidwell
TI  - PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES
AID  - 10.1126/science.44.1141.685
DP  - 1916 Nov 10
TA  - Science
PG  - 685--686
VI  - 44
IP  - 1141
4099  - http://science.sciencemag.org/content/44/1141/685.short
4100  - http://science.sciencemag.org/content/44/1141/685.full
SO  - Science1916 Nov 10; 44