@book{UBHD-66819696, title={Doppelblatt Agrarstruktur 1987}, publisher={Aschendorff}, address={M{\"u}nster}, year={1993}, pages={[4] S.}, language={ger}, isbn={3-402-06192-9 and 3-402-06195-3 and 978-3-402-06192-3 and 978-3-402-06195-4}, library={UB [Signatur: UBN/RD 25226 G313]}, }