@article {Imam2014,
	title = {First-Principles Investigation of a Rippled Graphene Phase on Ir(001): The Close Link between Periodicity, Stability, and Binding},
	journal = {Journal of Physical Chemistry C},
	volume = {118},
	number = {18},
	year = {2014},
	month = {may},
	pages = {9514–9523},
	doi = {10.1021/jp5010727},
	author = {Imam, M. and Stojic, N. and Binggeli, N.}
}
