@inbook{6eb097c7ce6f4621b9f339e56ef063c7,
title = "Assertion-time inference in logic-based systems.",
author = "Bernie Elfrink and Han Reichgelt and Reichgelt, \{Johannes (Han)\}",
note = "Elfrink, B. \& Reichgelt, H. (1989). Assertion-time inference in logic-based systems. In P. Jackson, H. Reichgelt, \& F. van Harmelen, Logic-based knowledge representation. (pp: 113-141). Cambridge, MA: MIT Press.",
year = "1989",
month = jan,
day = "1",
language = "American English",
booktitle = "Assertion-time inference in logic-based systems.",
}