@article{TAC_2007_18_a1,
     author = {J.R.B. Cockett and R.A.G. Seely},
     title = {Polarized category theory, modules, and game semantics},
     journal = {Theory and applications of categories},
     pages = {4--101},
     publisher = {mathdoc},
     volume = {18},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2007_18_a1/}
}