TY  - RPRT
TI  - Stratigraphic value of silicoflagellates in nontropical regions
AU  - David Bukry
PY  - 1974
DO  - 10.1130/0016-7606(1974)85<1905:svosin>2.0.co;2
UR  - https://pubs.usgs.gov/publication/70208821
ID  - 70208821
ER  -