TY  - JOUR
AU  - Liu, R. H.
TI  - A large iron isotope effect in SmFeAsO1-x Fx and Ba1-xKxFe2As2
JA  - Nature
PY  - 2009///
PB  - Nature Publishing Group
M3  - 10.1038/nature07981
N1  - 10.1038/nature07981
UR  - http://dx.doi.org/10.1038/nature07981
ER  -