M. H. Lob, F. R. Drake, John Derrick. Meeting of the Association for Symbolic Logic Leeds 1967. Journal of Symbolic Logic, 33(3):490, 1968.
@article{LobDD68, title = {Meeting of the Association for Symbolic Logic Leeds 1967}, author = {M. H. Lob and F. R. Drake and John Derrick}, year = {1968}, tags = {logic}, researchr = {https://researchr.org/publication/LobDD68}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {33}, number = {3}, pages = {490}, }