-  Capacitated p-median instances and corresponding format, used in the papers
-  Ceselli A. "Two exact algorithms for the capacitated p-median problem", 4OR 1(4): 319-340 (2003)
-  Ceselli A., Righini G., "A branch and price algorithm for the capacitated p-median problem", Networks 45(3): 125-142 (2005) 
 
-  Multilevel generalized assignment instances and corresponding  format, used in the paper
-  Ceselli A., Righini G., "A branch and price algorithm for the multilevel generalized assignment problem", Operations Research 54(6): 1172-1184 (2006)