BibTex format
@article{Spencer:2012:10.1063/1.3681396,
author = {Spencer, JS and Blunt, NS and Foulkes, WMC},
doi = {10.1063/1.3681396},
journal = {JOURNAL OF CHEMICAL PHYSICS},
title = {The sign problem and population dynamics in the full configuration interaction quantum Monte Carlo method},
url = {http://dx.doi.org/10.1063/1.3681396},
volume = {136},
year = {2012}
}