@article {58577,
	title = {Directional Non-covalent Interactions: Repulsion and Dispersion. },
	journal = {J. Chem. Theory. Comput.},
	volume = {9},
	year = {2013},
	pages = {2264-2275},
	author = {El Kerdawy, A. and Murray, J. S. and Politzer, P. and Bleiziffer, P. and He{\ss}elmann, A. and G{\"o}rling, A. and Clark, T.}
}
