Walter Tockenburger Lecturer Name Prof.dr. W.L. Tockenburger Telephone +31 71 527 2727 E-mail w.l.tockenburger@liacs.leidenuniv.nl Lecturer Science Leiden Inst of Advanced Computer Science Contact +31 71 527 2727 w.l.tockenburger@liacs.leidenuniv.nl No relevant ancillary activities