TY  - JOUR
AU  - Harfoot, Michael B.
AU  - Pyle, John A.
AU  - Beerling, David J.
TI  - End-Permian ozone shield unaffected by oceanic hydrogen sulphide and methane releases
JA  - Nature Geosci
PY  - 2008/04//print
VL  - 1
IS  - 4
SP  - 247
EP  - 252
PB  - Nature Publishing Group
SN  - 1752-0894
UR  - http://dx.doi.org/10.1038/ngeo154
M3  - 10.1038/ngeo154
N1  - 10.1038/ngeo154
ER  -