@conference {71209,
	title = {,{\textquotedblleft}Preview of National and International Air Conditioning Energy Efficiency and Standards{\textquotedblright}, },
	booktitle = {Invited Paper, Proceedings, 39th International Congress On Heating, Refrigerating \& Air-Conditioning, Belgrade, December 2008},
	year = {2008},
	month = {December},
	address = {Serbia},
	author = {Essam E. Khalil}
}
