@book{38591,
	author = {Usama Ahmed Abdelwahab and Irena  V. Springel , },
	title = {Study of the population ecology of some desert plants / },
	publisher = {Usama Ahmed Abdelwahab , },
	year = {1993},
	address = {Assiut : },
	note = {Gift from Prof. Kamal Hassan Batanouny},
	url = {http://172.23.153.220/th.pdf}
}