@article{ITA_1978__12_4_291_0,
     author = {Maurer, H. A. and Salomaa, A. and Wood, D.},
     title = {Relative goodness of {EOL} forms},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {291--304},
     publisher = {EDP-Sciences},
     volume = {12},
     number = {4},
     year = {1978},
     mrnumber = {517632},
     zbl = {0388.68067},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ITA_1978__12_4_291_0/}
}