na INLIS000000000003388 Ind 0010-1118003388 Physiological limitations and the genetic improvement of symbiotic nitrogen fixation : proceedings of an International Conference on the Physiological Limitations the Genetic Improvement of Symbiotic Nitrogen Fixation, Cork, Ireland, Sept. 1-3, 1987 INTERNATIONAL CONFERENCE ON THE PHYSIOLOGICAL LIMITATIONS AND GENETIC IMPROVEMENT OF SYMBIOTIC NITROGEN FIXATION (1987 : Cork, Ireland) ed. by F. O'Gara; S. Manian J.J. Drevon Dordrecht, The Netherlands; Boston Kluwer Academic Pub. for the commission of the European Communities 1988 x, 215 p.: ill.; port.; 25 cm.-- x, 215 p.: ill.; port.; 25 cm.-- 631.461.5 NITROGEN FIXATION CONGRESSES 182/92