@conference{UBHD-1036530, author={Parikh, Rohit}, organization={Logic Colloquium <1972 - 1973, Boston, Mass.>}, title={Symposium on Logic held at Boston, 1972 - 73}, year={1975}, pages={251 S.}, language={eng}, isbn={3-540-07155-5 and 0-387-07155-5 and 978-3-540-07155-6 and 978-0-387-07155-8}, number={ARRAY(0x561a9e4ed718)}, series={Logic Colloquium / Logic Colloquium}, keywords={Mathematische Logik / Boston <Mass., 1972>}, library={MA [Signatur: Kongr. 1972/44]}, }