TY  - RPRT
TI  - Ordovician Chazyan classification in Vermont
AU  - M. Kay
AU  - W. M. Cady
PY  - 1947
DO  - 10.1126/science.105.2736.601.a
UR  - https://pubs.usgs.gov/publication/70010875
ID  - 70010875
ER  -