@book{UBHD-67078759, author={Proudhon, Pierre-Joseph and Marx, Karl}, title={Système des contradictions économiques ou philosophie de la misère}, subtitle={(extraits)}, publisher={Union générale dʹéditions}, address={Paris}, year={1964}, pages={500 S.}, language={fre}, number={ARRAY(0x55921cbef708)}, series={10,18}, library={PI [Signatur: <PI> B 1562,4]}, }