BibTex format
@article{Ukkola:2013:10.5194/hess-17-4177-2013,
author = {Ukkola, AM and Prentice, IC},
doi = {10.5194/hess-17-4177-2013},
journal = {HYDROLOGY AND EARTH SYSTEM SCIENCES},
pages = {4177--4187},
title = {A worldwide analysis of trends in water-balance evapotranspiration},
url = {http://dx.doi.org/10.5194/hess-17-4177-2013},
volume = {17},
year = {2013}
}