Narciso Martí-Oliet Miguel Palomino Alberto Verdejo A Tutorial on Specifying Data Structures in Maude. 105-132 2005 137 Electr. Notes Theor. Comput. Sci. 1 http://dx.doi.org/10.1016/j.entcs.2005.01.041 db/journals/entcs/entcs137.html#Marti-OlietPV05