@article{Harding_2007,
title={Parallel Calculation of CCSD and CCSD(T) Analytic First and Second Derivatives},
volume={4},
ISSN={1549-9626},
url={http://dx.doi.org/10.1021/ct700152c},
DOI={10.1021/ct700152c},
number={1},
journal={Journal of Chemical Theory and Computation},
publisher={American Chemical Society (ACS)},
author={Harding,
Michael E. and Metzroth,
Thorsten and Gauss,
Jürgen and Auer,
Alexander A.},
year={2007},
month=nov,
pages={64–74} }