Security in Distributed Systems

[Francisco Jos�, Maria Carmo, Carla Sofia \(Melo Pereira\)]

I'm geting a PHD in informathics and I am doing my thesis.
If you can inform me where can i get information, ressources and theory
on
"Security in Distributed Systems" i apreciate.

Another thing: I�m geting duplicated messages
Can any one do something about it?

Thanks in advance

Francisco Jos� de Melo Pereira ([EMAIL PROTECTED])

begin:          vcard
fn:             Francisco Jos�, Maria Carmo, Carla Sofia (Melo Pereira) Pereira
n:              Pereira;Francisco Jos�, Maria Carmo, Carla Sofia (Melo Pereira)
org:            C�mara Municipal de Portim�o
adr:            HOME: Ed. Sol Nascente R/C Esq.;;WORK: Pra�a 1� Maio;Portim�o;;8500;Portugal
email;internet: [EMAIL PROTECTED]
tel;work:       + 351 282 430129
tel;fax:        + 351 282 411690
tel;home:       + 351282 419099 
note:           Tele M�vel : + 351 96 5525034
x-mozilla-cpt:  ;0
x-mozilla-html: FALSE
version:        2.1
end:            vcard