@book{13646,
	author = {Salwa Mahmoud Abdelsayed and Imam Abdo Kobbia , },
	title = {Envirnmental factors affecting antioxidant production by some microalgae / },
	publisher = {Salwa Mahmoud Abdelsayed , },
	year = {2008},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}