@article{journal,
author = {Ranius, T.},
title = {Population ecology and conservation of beetles and pseudoscorpions living in hollow oaks in Sweden},
year = {2002},
volume = {25.1},
pages = {53--68},
journal = {Animal Biodiversity and Conservation},
keywords = {Saprofitos, Agujeros en los {\'a}rboles, Fragmentaci{\'o}n del h{\'a}bitat, Osmoderma eremita, Microclima}
}