--- a/onto-toolkit/README	Tue Jun 07 17:51:45 2011 -0400
+++ b/onto-toolkit/README	Wed Apr 11 10:33:41 2012 +0200
@@ -4,14 +4,22 @@
 ONTO-Toolkit is a collection of Galaxy tools for managing ontologies 
 that are represented in the OBO flat file format (spec 1.2). 
 
-Those tools are basically wrappers around the most commonly used tasks 
+Those tools are basically wrappers around the most commonly used tools 
 provided by the ONTO-PERL suite.
 
 See also:
 
-  ONTO-PERL: An API supporting the development and analysis of bio-ontologies
-  Antezana E, Egana M, De Baets B, Kuiper M, Mironov V.
-  Bioinformatics 2008; doi: 10.1093/bioinformatics/btn042
+  1. ONTO-PERL: An API supporting the development and analysis of bio-ontologies
+     Antezana E, Egana M, De Baets B, Kuiper M, Mironov V.
+     Bioinformatics 2008; doi: 10.1093/bioinformatics/btn042
+     
+  2. ONTO-Toolkit: A set of Galaxy tools to deal with OBO-formatted ontologies
+     Antezana E, Venkatesan A, Mungall C, Mironov V, Kuiper M.
+     BMC Bioinformatics 2010, 11(Suppl 12):S8 doi:10.1186/1471-2105-11-S12-S8
+
+  3. OPPL-Galaxy: Enhancing ontology exploitation in Galaxy with OPPL.
+     Egana M, Fernandez-Breis JT, Antezana E.
+     Semantic Web Applications and Tools for Life Sciences (SWAT4LS), London, UK (2011)
   
 For installing this collection of tools:
 
@@ -26,14 +34,23 @@
 
 	http://main.g2.bx.psu.edu/
 
-2. ONTO-PERL (version >= 1.18):
+2. ONTO-PERL (version >= 1.37):
 
 	http://search.cpan.org/dist/ONTO-PERL/
 
+CITING ONTO-Toolkit
+===================
+
+If you use ONTO-Toolkit in your work, you are kindly requested to cite:
+
+    ONTO-Toolkit: A set of Galaxy tools to deal with OBO-formatted ontologies
+    Antezana E, Venkatesan A, Mungall C, Mironov V, Kuiper M.
+    BMC Bioinformatics 2010, 11(Suppl 12):S8 doi:10.1186/1471-2105-11-S12-S8
+
 COPYRIGHT AND LICENCE
 =====================
 
-Copyright (c) 2010 Erick Antezana. All rights reserved.
+Copyright (c) 2010-2012 Erick Antezana. All rights reserved.
 OONTO-Toolkit is free software; you can redistribute it and/or
 modify it under the same terms as Perl itself.