http://public.eblib.com/EBLPublic/PublicView.do?ptiID=511247
http://dx.doi.org/10.1007/978-3-642-04662-9
http://encompass.library.cornell.edu/cgi-bin/checkIP.cgi?access=gateway%5Fstandard%26url=http://dx.doi.org/10.1007/978-3-642-04662-9
http://site.ebrary.com/id/10362002
http://www.netlibrary.com/urlapi.asp?action=summary&v=1&bookid=312907
http://dx.doi.org/10.1007/978-3-642-04662-9
http://encompass.library.cornell.edu/cgi-bin/checkIP.cgi?access=gateway%5Fstandard%26url=http://dx.doi.org/10.1007/978-3-642-04662-9
http://site.ebrary.com/id/10362002
http://www.netlibrary.com/urlapi.asp?action=summary&v=1&bookid=312907