?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=B%C3%83%C2%B6hm%2C+Herwart&rft.aulast=B%C3%83%C2%B6hm&rft.aufirst=Herwart&rft.date=2007&rft.title=Mineralstoffgehalte+in+K%C3%83%C2%B6rnerleguminosen+und+Sommergetreide&rft.genre=proceeding