PT  - JOURNAL ARTICLE
AU  - Schuchert, Charles
TI  - THE BOUNDARY BETWEEN THE SILURIAN AND DEVONIAN IN SHROPSHIRE AND FRANCE
AID  - 10.1126/science.52.1345.339
DP  - 1920 Oct 08
TA  - Science
PG  - 339--340
VI  - 52
IP  - 1345
4099  - http://science.sciencemag.org/content/52/1345/339.short
4100  - http://science.sciencemag.org/content/52/1345/339.full
SO  - Science1920 Oct 08; 52