diff --git a/CoLo-AT/README.md b/CoLo-AT/README.md
index 7dc5c9043649baac3a217349f2a99b2c656faf75..6b2426f087b18dd7bf00733ec2fbddbaac0bad05 100755
--- a/CoLo-AT/README.md
+++ b/CoLo-AT/README.md
@@ -101,3 +101,9 @@ Values:
 
 ## Algorithm Framework
 ![algo_framework](algo_framework.png)
+
+
+
+[1] Leung K Y K, Halpern Y, Barfoot T D, and Liu H H T. “The UTIAS Multi-Robot Cooperative Localization and Mapping Dataset”. International Journal of Robotics Research, 30(8):969–974, July 2011
+
+[2] Saeedi, Sajad, Michael Trentini, Mae Seto, and Howard Li. “Multiple-Robot Simultaneous Localization and Mapping: A Review.” Journal of Field Robotics 33, no. 1 (January 2016): 3–46. https://doi.org/10.1002/rob.21620.