http://public.eblib.com/EBLPublic/PublicView.do?ptiID=450810
http://site.ebrary.com/id/10317574
http://www.myilibrary.com?id=229067
http://www.netlibrary.com/urlapi.asp?action=summary&v=1&bookid=287872
http://dx.doi.org/10.1007/978-0-387-93840-0
http://springerlink.com/openurl.asp?genre=book&isbn=978-0-387-93840-0
http://springerlink.com/openurl.asp?genre=book&isbn=978-0-387-93843-1
http://www.springerlink.com/openurl.asp?genre=book&isbn=978-0-387-93840-0
http://www.springerlink.com/openurl.asp?genre=book&isbn=978-0-387-93843-1
http://site.ebrary.com/id/10317574
http://www.myilibrary.com?id=229067
http://www.netlibrary.com/urlapi.asp?action=summary&v=1&bookid=287872
http://dx.doi.org/10.1007/978-0-387-93840-0
http://springerlink.com/openurl.asp?genre=book&isbn=978-0-387-93840-0
http://springerlink.com/openurl.asp?genre=book&isbn=978-0-387-93843-1
http://www.springerlink.com/openurl.asp?genre=book&isbn=978-0-387-93840-0
http://www.springerlink.com/openurl.asp?genre=book&isbn=978-0-387-93843-1