cite GoF for Observer pattern

diff --git a/biblio.bib b/biblio.bib
index da088bb..d42cdff 100644 (file)
--- a/biblio.bib
+++ b/biblio.bib
@@ -288,3 +288,12 @@
   url="http://www.ietf.org/rfc/rfc1035.txt",
 }
 
+@book{GOF95,
+       author = "Gamma, E. and Helm, R. and Johnson, R. and Vlissides, J.",
+       interhash = "666db7e026c02bfa3e89b7b2772d18a2",
+       intrahash = "ee90f849e019       01dd605163c365d247fa",
+       keywords = "patterns object-oriented",
+       publisher = "Addison Wesley",
+       title = "{Design Patterns - Elements of Reus    able Object-Oriented Software}",
+       year = 1995
+}

diff --git a/sec-xmpp.tex b/sec-xmpp.tex
index d3ecf61..213f3c2 100644 (file)
--- a/sec-xmpp.tex
+++ b/sec-xmpp.tex
@@ -95,7 +95,7 @@ and several ``away'' or ``do not disturb'' states), a user needs to subscribe to
 the other user's status. The mechanism behind this is called
 \term{Publish-Subscribe} and is specified in XEP-0060~\cite{xep0060}. It can
 be used to notify interested users about changes in personal information, and
-implements the well-known Observer pattern.
+implements the well-known Observer pattern~\cite{GOF95}.
 
 A user publishes information by creating a \term{node} on the XMPP server, which
 acts as a handle for the data. Interested users can then query the server for