@article {104,
	title = {Anharmonic oscillations in underground cavities},
	journal = {Comptes Rendus de l{\textquoteright}Acad{\'e}mie des Sciences},
	volume = {s{\'e}rie II b},
	year = {1997},
	pages = {701-707},
	publisher = {Elsevier},
	attachments = {http://s614313166.onlinehome.fr/sites/default/files/cras-anharmoniques.pdf},
	author = {B{\'e}rest, Pierre and Bergues, Jean and Brouard, Beno{\^\i}t}
}
