@book{UBHD-1255733, author={Leontief, Wassily W.}, publisher={M. E. Sharpe}, address={New York}, year={1977}, pages={VIII, 161 S.}, language={eng}, isbn={0-87332-092-1 and 978-0-87332-092-4}, library={UB [Signatur: 78 B 4657::2]}, }