author = { Verstraete, W. H. Beyaert, Guido AND Voets, J. P. },

title = { Nitrification: an old process, a new concern },

publisher = {Forschungszentrum für Waldbau},

year = {1971},

booktitle = {Sylva Gandavensis ; 24},

address = { Gent },

url = { http://slubdd.de/katalog?TN_libero_mab2 }