@book{69822,
	author = {Hussein Hatem Mohamed Ahmed Shetiah and Ahmed Nasr Eldin Mahdy , },
	title = {Detection of dangerous gases by modern complexes / },
	publisher = {Hussein Hatem Mohamed Ahmed Shetiah , },
	year = {2003},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}