@article{article, title = {{Jonahan Chapman and Frederick Rowbottom. Relative category theory and geometric morphisms. A logical approach. Oxford logic guides, no. 16., Clarendon press, Oxford University Press, Oxford and New York1992, xi + 263 pp.}}, publisher = {{Cambridge University Press (CUP)}}, url = {{}}, year = {{1995}}, month = {{6}}, author = {{Moerdijk I}}, doi = {{10.2307/2275864}}, volume = {{60}}, journal = {{Journal of Symbolic Logic}}, issue = {{2}}, pages = {{694-695}}, note = {{Accessed on 2024/12/22}}}