author = { Ziechmann, Wolfgang },

title = { Huminstoffe und ihre Wirkungen },

publisher = {Spektrum, Akad. Verl.},

isbn = {3860257218},

keywords = { Huminstoff , Humic acid , Derivatives , Environmental aspects },

year = {1996},

abstract = {Literaturangaben},

booktitle = {Spektrum Umwelt},

address = { Heidelberg },

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