@INPROCEEDINGS{ki97, AUTHOR = {David Basin and Sean Matthews and Luca Vigano}, TITLE = {Labelled Quantified Modal Logics}, BOOKTITLE = {21st German Annual Conference on Artificial Intelligence}, YEAR = {1997}, PAGES = {171 -- 182}, PUBLISHER = "Springer-Verlag", SERIES = {LNAI}, VOLUME = "1303", ABSTRACT = {} }