BibTex format
@article{Crowdy:2010,
author = {Crowdy, DG},
journal = {Theoretical and Computational Fluid Dynamics},
pages = {9--24},
title = {A new calculus for two-dimensional vortex dynamics},
url = {http://www2.imperial.ac.uk/~dgcrowdy},
volume = {24},
year = {2010}
}