@article {64463,
	title = {Steady and unsteady state thermal behaviour of triple concentric-tube heat exchanger},
	journal = {Heat and Mass TransferHeat and Mass Transfer},
	volume = {53},
	year = {2017},
	month = {2017},
	pages = {849-863},
	isbn = {1432-1181},
	author = {Boultif, Nora and Bougriou, Cherif}
}
