@article {70743,
	title = {Field Study on effectiveness of Periodic Reversible supply Exhaust Ventilation Strategy},
	journal = {ASHRAE Transactions,},
	volume = {1},
	year = {2014},
	pages = {1-8},
	author = {Essam E. Khalil and Ahmed Fahim and Esmail M ElBialy and Ahmed Osama}
}
