@article{Solbrig1988,
author = {Solbrig, O.T. and Sarandon, R. and Bossert, W.},
title= {A density-dependent growth model of a perennial herb, Viola fimbriatula},
year = {1988},
doi = {10.1086/284796},
journal = {American Naturalist },
volume = {131},
number = {3},
pages = {385--400},
}