@book{UBHD-1042354, author={Postan, Michael M.}, title={The medieval economy and society}, subtitle={an economic history of Britain in the middle ages}, publisher={Weidenfeld & Nicolson}, address={London}, year={1972}, pages={VIII, 261 S.}, language={eng}, isbn={0-297-99543-X and 978-0-297-99543-2}, library={UB [Signatur: 73 B 819]}, }