@book{93187,
	author = {Symposium on Fundamental, Ecological and Agricultural Aspects of Nitrogen Metabolism in Higher Plants, Haren, Apr.9-12, 1985.},
	title = {Fundamental, ecological and agricultural aspects of nitrogen metabolism in higher plants; Proceedings/},
	publisher = {Martinus Nijhoff},
	year = {1986},
	address = {Dordrecht}
}