BibTex format
@article{Halliwell:2009:10.1016/j.physleta.2009.10.077,
author = {Halliwell, JJ and Yearsley, JM},
doi = {10.1016/j.physleta.2009.10.077},
journal = {PHYSICS LETTERS A},
pages = {154--157},
title = {Quantum arrival time formula from decoherent histories},
url = {http://dx.doi.org/10.1016/j.physleta.2009.10.077},
volume = {374},
year = {2009}
}