@InProceedings{l92-p387-400, AUTHOR = {Rolf Niedermeier and Peter Rossmanith}, TITLE = {Unambiguous Simulations of Auxiliary Pushdown Automata and Circuits (Extended Abstract)}, YEAR = 1992, BOOKTITLE = {Proc.~of the 1st Latin American Symposium on Theoretical Informatics (LATIN'92)}, ADDRESS = {S\~ao Paulo, Brazil}, PAGES = {387--400}, KEYWORDS = {}}