Nitrogen Fixation: Proceedings of the Fifth International Symposium on Nitrogen Fixation with Non-Legumes, Florence, Italy, 10–14 September 1990 Developments in Plant and Soil Sciences, nr. 48 Editat de M. Polsinelli et al. 5 noi 2012 Paperback Preț: 419.95 lei 6-8 săpt.