% \lambda\delta version 3 (proposed) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

@misc{lambdadeltaJ3a,
   author="F. {Guidi}",
   title="{A Verified Translation of Landau's `Grundlagen'' from Automath into a Pure Type System, via $\lambda\delta$}",
   year="2015",
   month="February",
   note="Submitted to JFR, University of Bologna (available at $<$http://lambdadelta.info/$>$)"
}

% \lambda\delta version 2 (active) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

@misc{lambdadeltaJ2a,
   author="F. {Guidi}",
   title="{The Formal System $\lambda\delta$ Revised, Stage A: Extending the Applicability Condition}",
   howpublished="CoRR identifier 1411.0154",
   year="2014",
   month="November",
   note="Submitted to ACM ToCL (available at $<$http://lambdadelta.info/$>$)"
}

@misc{lambdadeltaV2,
   author="F. {Guidi}",
   title="{lambdadelta\_2}",
   howpublished="Formal specification for the proof assistant Matita 0.99.2",
   year="2014",
   month="October",
   note="Available at $\lambda\delta$ Web site: $<$http://lambdadelta.info/$>$"
}

@incollection{lambdadeltaR2b,
   author="F. {Guidi}", 
   title="{An Efficient Validation Procedure for the Formal System $\lambda\delta$}",
   editor="F. {Ferreira} and H. {Guerra} and E. {Mayordomo} and J. {Rasga}",
   booktitle="Local Proceedings of 6th Conference on Computability in Europe (CiE 2010)",
   pages="204-213",
   publisher="Centre for Applied Mathematics and Information Technology, Department of Mathematics, University of Azores",
   address="Ponta Delgada, Portugal",
   year="2010",
   month="July"
}

@techreport{lambdadeltaR2a,
   author="F. {Guidi}", 
   title="{Landau's ``Grundlagen der Analysis'' from Automath to lambda-delta}", 
   type="Technical Report",
   number="UBLCS 2009-16",
   institution="University of Bologna",
   address="Bologna, Italy",
   year="2009",
   month="September"
}

% \lambda\delta version 1 (superseded) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

@article{lambdadeltaJ1,
   author="F. {Guidi}",
   title="{The Formal System $\lambda\delta$}",
   journal="Transactions on Computational Logic",
   volume="11",
   number="1",
   pages="5:1-5:37, online appendix 1-11",
   publisher="ACM",
   address="New York, NY, USA",
   year="2009",
   month="November"
}

@incollection{lambdadeltaR1c,
   author="F. {Guidi}", 
   title="{Lambda Types on the Lambda Calculus with Abbreviations}",
   editor="S. {Barry Cooper} and T. F. {Kent} and B. {L\"owe} and A. {Sorbi}", @comment="{\"}",
   booktitle="Local Proceedings of 3rd Conference on Computability in Europe (CiE 2007) Technical Report 487",
   pages="387-387",
   publisher="Universit\`a di Siena",
   address="Siena, Italy",
   year="2007",
   month="June"
}

@techreport{lambdadeltaR1b,
   author="F. {Guidi}", 
   title="{Lambda-Types on the Lambda-Calculus with Abbreviations}", 
   type="Technical Report",
   number="UBLCS 2006-25",
   institution="University of Bologna",
   address="Bologna, Italy",
   year="2006",
   month="November"
}

@techreport{lambdadeltaR1a,
   author="F. {Guidi}", 
   title="{Lambda-Types on the Lambda-Calculus with Abbreviations: a Certified Specification}", 
   type="Technical Report",
   number="UBLCS 2006-01",
   institution="University of Bologna",
   address="Bologna, Italy",
   year="2006",
   month="January"
}

@misc{lambdadeltaV1,
   author="F. {Guidi}",
   title="{lambdadelta\_1}",
   howpublished="Formal specification for the proof assistant Coq 7.3.1",
   year="2006",
   month="November",
   note="Available at $\lambda\delta$ Web site: $<$http://lambdadelta.info/$>$"
}