@article{journal,
author = {Thorup, K. and Rahbek, C.},
title = {How do geometric constraints influence migration patterns?},
year = {2004},
volume = {27.1},
pages = {319--329},
journal = {Animal Biodiversity and Conservation},
keywords = {Bird migration model, Geometric constraints, Ring-recovery probability, Pied Flycatcher, Ficedula hypoleuca}
}