TY - BOOK AU - Drevon , J. J., ed. AU - Manian, S., ed. AU - OGara, F., ed. ED - International Conference on the Physiological Limitations and the Genetic Improvement of Symbiotic Nitrogen Fixation : TI - Physiological limitations genetic improvement of symbiotic nitrogen fixation: proceedings held at Cork, Ireland on 1st to 3rd September, 1987 SN - 9024736927 U1 - 572.545 21st ed. PY - 1988/// CY - Boston PB - Kluwer Academic Publishers KW - Genetic improvement KW - Nitrogen fixation KW - Rhizobium ER -