@book{UBHD-31033537, author={Roberts, Don D.}, title={The existential graphs of Charles S. Peirce}, publisher={Mouton}, address={The Hague [u.a.]}, year={1973}, pages={168 S.}, language={eng}, isbn={90-279-2523-2 and 978-90-279-2523-7}, number={ARRAY(0x55bc347a76c8)}, series={Approaches to semiotics}, keywords={Peirce, Charles S. / Graphemik ; Peirce, Charles S. / Graphemik ; Peirce, Charles S. / Graphemik}, library={PI [Signatur: <PI> B 1674/19] ; WT [Signatur: S Rie 107]}, }