diff --git a/Map_Visualisation.bib b/Map_Visualisation.bib
index 67bac64..a43e87a 100755
--- a/Map_Visualisation.bib
+++ b/Map_Visualisation.bib
@@ -9,9 +9,9 @@
 
 @STRING{ajis = {Australian Journal of Information Systems}}
 
-@STRING{cacm = {Communications of the ACM}}
+@STRING{cacm = {Commun.\ ACM}}
 
-@STRING{cj = {The Computer Journal}}
+@STRING{cj = {Comput.\ J.}}
 
 @STRING{database = {ACM SIGMIS Database}}
 
@@ -29,6 +29,8 @@
 
 @STRING{idt = {Internet Development Trends}}
 
+@STRING{ieees = {IEEE Softw.}}
+
 @STRING{ijast = {International Journal of Applied Software Technology}}
 
 @STRING{ijgis = {International Journal of Geographical Information Systems}}
@@ -43,7 +45,7 @@
 
 @STRING{isj = {Information Systems Journal}}
 
-@STRING{ist = {Information and Software Technology}}
+@STRING{ist = {Inf.\ Softw.\ Tech.}}
 
 @STRING{jacm = {Journal of the ACM}}
 
@@ -51,7 +53,7 @@
 
 @STRING{jot = {Journal of Object Technology}}
 
-@STRING{jss = {Journal of Systems and Software}}
+@STRING{jss = {J.\ Syst.\ Softw.}}
 
 @STRING{lncs = {Lecture Notes in Computer Science}}
 
@@ -71,19 +73,19 @@
 
 @STRING{spe = {Software---Practice and Experience}}
 
-@STRING{surveys = {ACM Computing Surveys}}
+@STRING{surveys = {ACM Comput.\ Surv.}}
 
-@STRING{tkde = {IEEE Transactions on Knowledge and Data Engineering}}
+@STRING{tkde = {IEEE Trans.\ Knowl.\ Data Eng.}}
 
 @STRING{tm = {\scriptsize\texttrademark}}
 
-@STRING{tods = {ACM Transactions on Database Systems}}
+@STRING{tods = {ACM Trans.\ Database Syst.}}
 
-@STRING{toit = {ACM Transactions on Internet Technology}}
+@STRING{toit = {ACM Trans.\ Internet Tech.}}
 
-@STRING{tose = {IEEE Transactions on Software Engineering}}
+@STRING{tose = {IEEE Trans.\ Softw.\ Eng.}}
 
-@STRING{tweb = {ACM Transactions on the Web}}
+@STRING{tweb = {ACM Trans.\ Web}}
 
 @STRING{vldb = {The VLDB Journal}}
 
@@ -230,6 +232,49 @@
   url = {http://www.boutell.com/gd/}
 }
 
+@ARTICLE{Offu-J-2002-quality,
+  author = {Jeff Offutt},
+  title = {Quality attributes of {W}eb software applications},
+  journal = ieees,
+  year = {2002},
+  volume = {19},
+  pages = {25--32},
+  number = {2},
+  month = mar # {/} # apr,
+  doi = {doi:10.1109/52.991329},
+  pdf = {O/Offu-J-2002-quality.pdf},
+  timestamp = {2006.07.04}
+}
+
+@ARTICLE{Jian-B-2000-cybermap,
+  author = {Bin Jiang and Ferjan Ormeling},
+  title = {Mapping cyberspace: {V}isualizing, analysing and exploring virtual
+	worlds},
+  journal = {The Cartographic Journal},
+  year = {2000},
+  volume = {37},
+  pages = {117--122},
+  number = {2},
+  month = dec,
+  pdf = {J/Jian-B-2000-cybermap.pdf},
+  timestamp = {2006.07.04},
+  url = {http://www.hig.se/~bjg/cybermap2000.pdf}
+}
+
+@ARTICLE{Eick-SG-2001-sitevis,
+  author = {Stephen G.\ Eick},
+  title = {Visualizing online activity},
+  journal = cacm,
+  year = {2001},
+  volume = {44},
+  pages = {45--50},
+  number = {8},
+  month = aug,
+  doi = {http://doi.acm.org/10.1145/381641.381710},
+  pdf = {E/Eick-SG-2001-sitevis.pdf},
+  timestamp = {2006.07.04}
+}
+
 @comment{jabref-meta: selector_journal:}
 
 @comment{jabref-meta: selector_author:}