Digitisation as a method of preservation? : final report of a working group of the Deutsche Forschungsgemeinschaft (German Research Association) / Hartmut Weber, Marianne Dörr … 2000 Delftse dissertaties, een bibliografie : 1905-1992 = 2000 Theses from Delft University of Technology, a bibliography : 1905-1992 / [voorw. L.J.M. Waaijers]
