@article{TAC_2022_38_a5,
     author = {Daniel Dugger},
     title = {Gysin functors, correspondences, and the {Grothendieck-Witt} category},
     journal = {Theory and applications of categories},
     pages = {156--213},
     publisher = {mathdoc},
     volume = {38},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2022_38_a5/}
}