@Article{,
author = { Helmut Alt and Viliam Geffert and Kurt Mehlhorn },
title = { Nondeterministic Space Complexity for the Recognition of Context-Free Languages. },
journal = { Inform. Process. Lett. },
year = { 1992 },
volume = { 42 },
pages = { 25-27 },
}
@Article{agm-nscrc-92,
author = { Helmut Alt and Viliam Geffert and Kurt Mehlhorn },
title = { Nondeterministic Space Complexity for the Recognition of Context-Free Languages },
journal = { Inform. Process. Lett. },
year = { 1992 },
volume = { 42 },
pages = { 25-27 },
}
@InProceedings{ag-mrpc-92,
author = { Helmut Alt },
title = { Measuring the resemblance of polygonal curves. },
booktitle = { Proc. 8th Annu. ACM Sympos. Comput. Geom. },
year = { 1992 },
pages = { 102-109 },
}
@InProceedings{ag-mrpc-92,
author = { Helmut Alt and Michael Godau },
title = { Measuring the resemblance of polygonal curves },
booktitle = { Proc. 8th Annu. ACM Sympos. Comput. Geom. },
year = { 1992 },
pages = { 102-109 },
}
@Article{afkmnsu-ampcb-92,
author = { Helmut Alt and Rudolf Fleischer and Michael Kaufmann and Kurt Mehlhorn and Stefan N{\"a}her and Stefan Schirra and Christian Uhrig },
title = { Approximate motion planning and the complexity of the boundary of the union of simple geometric figures },
journal = { Algorithmica },
year = { 1992 },
volume = { 8 },
pages = { 391-406 },
}