Webster, George C. Nitrogen metabolism in plants - New York : Harper and Row, 1965 - 152 p. : gráfs. - Harper Reprint Series in Plant Physiology . - Harper Reprint Series in Plant Physiology . LCCN: 130 Subjects--Topical Terms: Nitrógeno--Fijación.Nitrógeno--Metabolismo.Plantas--Metabolismo. Dewey Class. No.: 631.46 / W4