@book{9586,
	author = {Yassen Elsayed Yassen and Ahmed Sharaf Abdelhamed , },
	title = {An investigation of greenhouse effect on flow through ducts / },
	publisher = {Yassen Elsayed Yassen , },
	year = {2003},
	address = {Port Said : },
	url = {http://172.23.153.220/th.pdf}
}