@book{33103,
	author = {Atteya Moustafa Mohamed and Abdelrahman A. A. , },
	title = {Interactive effect of soil microorganisms and some ecological factors on some crops / },
	publisher = {Atteya Moustafa Mohamed , },
	year = {1996},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}