Steven Awodey, Henrik Forssell. First-order logical duality. Annals of Pure and Applied Logic, 164(3):319-348, 2013. [doi]
@article{AwodeyF13,
title = {First-order logical duality},
author = {Steven Awodey and Henrik Forssell},
year = {2013},
doi = {10.1016/j.apal.2012.10.016},
url = {http://dx.doi.org/10.1016/j.apal.2012.10.016},
researchr = {https://researchr.org/publication/AwodeyF13},
cites = {0},
citedby = {0},
journal = {Annals of Pure and Applied Logic},
volume = {164},
number = {3},
pages = {319-348},
}