BibTex format
@article{TER:2004:10.1016/S0065-2504(03)34003-6,
author = {TER, BRAAK CJF and PRENTICE, IC},
doi = {10.1016/S0065-2504(03)34003-6},
journal = {Advances in Ecological Research},
pages = {235--282},
title = {A Theory of Gradient Analysis},
url = {http://dx.doi.org/10.1016/S0065-2504(03)34003-6},
volume = {34},
year = {2004}
}