@misc{proper2001actorwebdeep,
   author = {Proper, Henderik A. and Smit, E.},
   howpublished = {Keynote at the {{ICT}-Kenniscongres}, {The} Hague, {The} Netherlands},
   month = {September},
   title = {{ActorWeb} -- {Towards} a Deeper Understanding of System Architectures},
   year = {2001},
}