TY  - RPRT
TI  - Gas bubbles in fossil amber as possible indicators of the major gas composition of ancient air
AU  - R.A. Berner
AU  - Gary P. Landis
PY  - 1988
DO  - 10.1126/science.239.4846.1406
UR  - https://pubs.usgs.gov/publication/70014314
ID  - 70014314
ER  -