BibTex format
@article{Haworth:2007:10.1038/nphys463,
author = {Haworth, CA and Chipperfield, LE and Robinson, JS and Knight, PL and Marangos, JP and Tisch, JWG},
doi = {10.1038/nphys463},
journal = {NATURE PHYSICS},
pages = {52--57},
title = {Half-cycle cutoffs in harmonic spectra and robust carrier-envelope phase retrieval},
url = {http://dx.doi.org/10.1038/nphys463},
volume = {3},
year = {2007}
}