P. J. Hasnip, C. J. Pickard. Electronic energy minimisation with ultrasoft pseudopotentials. Computer Physics Communications, 174(1):24-29, 2006. [doi]
@article{HasnipP06,
title = {Electronic energy minimisation with ultrasoft pseudopotentials},
author = {P. J. Hasnip and C. J. Pickard},
year = {2006},
doi = {10.1016/j.cpc.2005.07.011},
url = {http://dx.doi.org/10.1016/j.cpc.2005.07.011},
tags = {C++},
researchr = {https://researchr.org/publication/HasnipP06},
cites = {0},
citedby = {0},
journal = {Computer Physics Communications},
volume = {174},
number = {1},
pages = {24-29},
}