diff --git a/Map_Visualisation.bib b/Map_Visualisation.bib
index b6f025e..3151bdb 100755
--- a/Map_Visualisation.bib
+++ b/Map_Visualisation.bib
@@ -13,6 +13,8 @@
 
 @STRING{cj = {Comput.\ J.}}
 
+@STRING{asper = {ACM SIGMETRICS Perf.\ Eval.\ Review}}
+
 @STRING{database = {ACM SIGMIS Database}}
 
 @STRING{dbms = {DBMS Magazine}}
@@ -81,7 +83,7 @@
 
 @STRING{tm = {\scriptsize\texttrademark}}
 
-@STRING{tocs = {ACM Trans.\ Comput. Syst.}}
+@STRING{tocs = {ACM Trans.\ Comput.\ Syst.}}
 
 @STRING{tods = {ACM Trans.\ Database Syst.}}
 
@@ -360,6 +362,36 @@
   timestamp = {2006.08.07}
 }
 
+@ARTICLE{Barf-P-1999-webperf,
+  author = {Paul Barford and Mark Crovella},
+  title = {Measuring {W}eb performance in the wide area},
+  journal = asper,
+  year = {1999},
+  volume = {27},
+  pages = {37--48},
+  number = {2},
+  month = sep,
+  doi = {http://doi.acm.org/10.1145/332944.332953},
+  pdf = {B/Barf-P-1999-webperf.pdf},
+  timestamp = {2006.07.04}
+}
+
+@TECHREPORT{Gibb-H-2006-Gridscape,
+  author = {Hussein Gibbins and Rajkumar Buyya},
+  title = {Gridscape {II}: {A} customisable and pluggable grid monitoring portal
+	and its integration with {G}oogle {M}aps},
+  institution = {Grid Computing and Distributed Systems Laboratory, The University
+	of Melbourne},
+  year = {2006},
+  type = {Technical Report},
+  number = {GRIDS-TR-2006-8},
+  address = {Melbourne, Australia},
+  month = may # {~12},
+  pdf = {G/Gibb-H-2006-Gridscape.pdf},
+  timestamp = {2006.07.04},
+  url = {http://arxiv.org/abs/cs.DC/0605053}
+}
+
 @comment{jabref-meta: selector_journal:}
 
 @comment{jabref-meta: selector_author:}