TY - BOOK AU - Werner,Dietrich AU - Newton,William E. TI - Nitrogen fixation in agriculture, forestry, ecology, and the environment SN - 140203542x U1 - 572.545 22 PY - 2005/// CY - Dordrecht, The Netherlands PB - Springer KW - Nitrogen KW - Fixation N1 - Includes bibliographical references and index ER -