BibTex format
@article{Paterson:1999:10.1364/AO.38.006152,
author = {Paterson, C and Smith, RW},
doi = {10.1364/AO.38.006152},
journal = {APPLIED OPTICS},
pages = {6152--6158},
title = {Analytical and numerical comparison of encoding methods for computer-generated diffractive optical elements},
url = {http://dx.doi.org/10.1364/AO.38.006152},
volume = {38},
year = {1999}
}