@article{10_4064_fm179_3_2,
     author = {Itay Ben-Yaacov},
     title = {Thickness, and a categoric view of type-space functors},
     journal = {Fundamenta Mathematicae},
     pages = {199--224},
     year = {2003},
     volume = {179},
     number = {3},
     doi = {10.4064/fm179-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm179-3-2/}
}