@article{02125651,
title = {The double powerlocale and exponentiation: A case study in geometric logic.},
journal = {Theory and Applications of Categories [electronic only]},
volume = {12},
year = {2004},
pages = {372-422},
zbl = {1061.06026},
language = {en},
url = {http://dml.mathdoc.fr/item/02125651}
}
Vickers, Steven. The double powerlocale and exponentiation: A case study in geometric logic.. Theory and Applications of Categories [electronic only], Tome 12 (2004) pp. 372-422. http://gdmltest.u-ga.fr/item/02125651/