Van de Sompel, Herbert; Nelson, Michael L.; Klein, Martin; Sanderson, Robert (2013), Aalberg, Trond; Papatheodorou, Christos; Dobreva, Milena; Tsakonas, Giannis (eds.), "ResourceSync: The NISO/OAI Resource Synchronization Framework", Research and Advanced Technology for Digital Libraries, Lecture Notes in Computer Science, vol. 8092, Berlin, Heidelberg: Springer Berlin Heidelberg, pp. 488–489, doi:10.1007/978-3-642-40501-3_70, ISBN978-3-642-40500-6, retrieved 2021-02-26
Van de Sompel, Herbert; Nelson, Michael L.; Klein, Martin; Sanderson, Robert (2013), Aalberg, Trond; Papatheodorou, Christos; Dobreva, Milena; Tsakonas, Giannis (eds.), "ResourceSync: The NISO/OAI Resource Synchronization Framework", Research and Advanced Technology for Digital Libraries, Lecture Notes in Computer Science, vol. 8092, Berlin, Heidelberg: Springer Berlin Heidelberg, pp. 488–489, doi:10.1007/978-3-642-40501-3_70, ISBN978-3-642-40500-6, retrieved 2021-02-26