@book{79514,
	author = {Omar Badr Mohamed Badr and Abdallah S. Bazaraa , },
	title = {Appropriate drain envelope for problematic calcareous soils in Egypt / },
	publisher = {Omar Badr Mohamed Badr , },
	year = {2020},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}