@article {2559,
	title = {Natural convection in a cylindrical and divergent annular duct fitted with fins},
	journal = {International Journal of Energy, Environment and Economics},
	year = {2017},
	url = {http://www.dl.begellhouse.com/journals/648192910890cd0e,77f984c00ddc2ed5,622bddfc575ad57d.html},
	author = {S BENMENZER and M SI-AMEUR}
}
