@article{CG_2001___39-40_205_0,
     author = {Hagen, Hans},
     title = {The status quo of the {NTS} project},
     journal = {Cahiers GUTenberg},
     pages = {205--220},
     publisher = {Association GUTenberg},
     number = {39-40},
     year = {2001},
     language = {en},
     url = {http://www.numdam.org/item/CG_2001___39-40_205_0/}
}