@book{UBHD-1050068, author={Hess, John L.}, title={The grand acquisitors}, publisher={Houghton Mifflin}, address={Boston}, year={1974}, pages={178 S.}, language={eng}, isbn={0-395-18013-9 and 978-0-395-18013-6}, library={UB [Signatur: 75 A 719]}, }