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1. ``Studentenlezingen''


Date Speaker
(affiliation)		 Title
  February 24 Dr. J.J.M. Sleutels
(Perception Cognition Ontology, Faculty of Philosophy, Leiden University)		 ``Do stars know their mathematics?''
  December 7 Prof. Dr. A. Ollongren
(LIACS, Leiden University)		 ``CETI: Communication with Extra Terrestrial Intelligence''


Leiden Observatory