@article{CG_1991___10-11_209_0,
     author = {Laugier, Maurice},
     title = {Composition des formules chimiques en {TeX}},
     journal = {Cahiers GUTenberg},
     pages = {209--221},
     publisher = {Association GUTenberg},
     number = {10-11},
     year = {1991},
     language = {fr},
     url = {http://archive.numdam.org/item/CG_1991___10-11_209_0/}
}