@article{CG_1990___5_49_0,
     author = {Van~der~Laan, Kees},
     title = {Typesetting {Bridge} via {TeX}},
     journal = {Cahiers GUTenberg},
     pages = {49--61},
     publisher = {Association GUTenberg},
     number = {5},
     year = {1990},
     language = {en},
     url = {http://www.numdam.org/item/CG_1990___5_49_0/}
}