The following copyright notice applies to all papers published in the Lecture Notes in
Computer Science by Springer-Verlag,
as mentionned in the Copyright Form.
The Author may publish his/her contribution on his/her personal Web page
provided that he/she creates a link to the above mentioned volume of LNCS
at the Springer-Verlag server or to the LNCS series Homepage (URL: http://www.springer.de/comp/lncs/index.html)
and that together with this electronic version it is clearly pointed out,
by prominently adding "© Springer-Verlag", that the copyright for this
contribution is held by Springer.