@InProceedings{Mun97HOA,
      Author = "C. Mu{\~{n}}oz",
      Title  = "A Left-linear Variant of $\lambda\sigma$",
      booktitle = "Proc. International Conference
                  PLILP/ALP/HOA'97",
      Address = "Southampton (England)",
      series = "Lecture Notes in Computer Science",	
      volume = {1298},		  
     pages =  "224--239",
      publisher = "Springer",
      Month = {September},
      NOTE = {Also available as INRIA Technical Report RR-3107},
      Year = {1997}
}