@article{Ulrich_1991,
title={Stress recovery during exposure to natural and urban environments},
volume={11},
ISSN={0272-4944},
url={http://dx.doi.org/10.1016/s0272-4944(05)80184-7},
DOI={10.1016/s0272-4944(05)80184-7},
number={3},
journal={Journal of Environmental Psychology},
publisher={Elsevier BV},
author={Ulrich,
Roger S. and Simons,
Robert F. and Losito,
Barbara D. and Fiorito,
Evelyn and Miles,
Mark A. and Zelson,
Michael},
year={1991},
month=Sept,
pages={201–230} }