@article{Barnes_2000,
title={Doppler images from dual-site observations of southern rapidly rotating stars -- I. Differential rotation on PZ Tel},
volume={314},
ISSN={1365-2966},
url={http://dx.doi.org/10.1046/j.1365-8711.2000.03237.x},
DOI={10.1046/j.1365-8711.2000.03237.x},
number={1},
journal={Monthly Notices of the Royal Astronomical Society},
publisher={Oxford University Press (OUP)},
author={Barnes,
J. R. and Cameron,
A. C. and James,
D. J. and Donati,
J.- F.},
year={2000},
month=may,
pages={162–174} }