TY - BOOK AU - Barendregt Henk ED - International Workshop on Types for Proofs and Programs( 1993 : Nijmegen ) ED - International Workshop on Types for Proofs and Programs TI - Types for proofs and programs : proceedings U1 - 4 PY - 1994/// CY - Berlin PB - Springer Verlag KW - Compuiter science KW - Proofs and programmes ER -