@article{Droege2016,
author = {Droege, Gabriele and Töpfer, Till},
year = {2016},
language = {eng},
copyright = {http://creativecommons.org/licenses/by/4.0/},
title = {The Corvids Literature Database - 500 years of ornithological research from a
crow’s perspective},
url = "http://dx.doi.org/10.17169/refubium-19143",
}