Nitrogen fixation research progress: Proceedings of the 6th international symposium on Nitrogen Fixation, Corvallis, OR 97331, August 4–10, 1985 Current Plant Science and Biotechnology in Agriculture, nr. 1 Editat de H.J. Evans et al. 13 oct 2011 Paperback Preț: 402.35 lei 6-8 săpt.
