@book{53535,
	author = {Wesselius, J. C.},
	title = {Influences of external factors on the energy conservation and productivility of Scenedesmus sp en mass culture},
	publisher = {Veenman & Zonen,},
	year = {1973},
	series = {Mededelingen landobouwhogeschool},
	address = {Wageningen :}
}