?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.date=2008&rft.btitle=Compost+and+digestate+%3A+sustainability%2C+benefits%2C+impacts+for+the+environment+and+for+plant+production.+Proceedings+of+the+international+congress+CODIS+2008%2C+February+27-29%2C+2008%2C+Solothurn%2C+Switzerland.&rft.genre=book