Security and privacy in ad-hoc and sensor networks [Electronic resource] : 4th european workshop, ESAS 2007, Cambridge, UK, July 2-3, 2007 : proceedings / ed. F. Stajano [et al.]. - Electronic text data. - Berlin ; Heidelberg : Springer, 2007. - (Lecture notes in computer science, ISSN 0302-9743 ; 4572). - ISBN 978-3-540-73275-4 : Б. ц.