@article {19463,
	title = {2D Numerical investigation of twin tunnels influence of excavation phase shift},
	journal = {Geomechanics and Engineering International journal},
	volume = {16},
	number = {3},
	year = {2018},
	pages = {295-308},
	author = {Chafia Djeloul, Toufik Karech, Rafik Demagh, Oulid Liman, Juan Martinez}
}
