Media type: E-Article Title: EPIA 89: Semantic analysis of time and tense in natural language: an implementation Contributor: Moreira, Nelma imprint: Springer Berlin Heidelberg, 1989 Published in: EPIA 89 Language: Not determined DOI: 10.1007/3-540-51665-4_86 ISSN: 0302-9743; 1611-3349 Origination: Footnote: