TY  - JOUR
AU  - Rybczynski, Natalia
AU  - Dawson, Mary R.
AU  - Tedford, Richard H.
TI  - A semi-aquatic Arctic mammalian carnivore from the Miocene epoch and origin of Pinnipedia
JA  - Nature
PY  - 2009/04/23/print
VL  - 458
IS  - 7241
SP  - 1021
EP  - 1024
PB  - Macmillan Publishers Limited. All rights reserved
SN  - 0028-0836
UR  - http://dx.doi.org/10.1038/nature07985
M3  - 10.1038/nature07985
N1  - 10.1038/nature07985
L3  - http://www.nature.com/nature/journal/v458/n7241/suppinfo/nature07985_S1.html
ER  -