BibTex format
@article{Buxton:2017:10.1017/jfm.2017.93,
author = {Buxton, O and Breda, M and Chen, X},
doi = {10.1017/jfm.2017.93},
journal = {Journal of Fluid Mechanics},
pages = {1--20},
title = {Invariants of the velocity gradient tensor in a spatially developing inhomogeneous turbulent flow},
url = {http://dx.doi.org/10.1017/jfm.2017.93},
volume = {817},
year = {2017}
}