A paper  from the miso group of the Universidad Autónoma de Madrid, has been published in the December issue of the ACM Transactions on Software Engineering and Methodology. The paper is entitled "When and how to use multilevel modelling" and describes some modelling techniques being used within the MONDO project.
 When and How to Use Multi-Level Modelling. 2014. Juan de Lara, Esther Guerra, Jesús Sánchez Cuadrado. ACM Transactions on Software Engineering and Methodology. Vol 24(2), article 12 (46 pages). December 2014. [PDF]