P. J. Coimbra and F. M. Abreu,  "The eclipse java metamodel scaffolding software engineering research on java projects with MDE techniques", in  Proc. of the 2nd Int. Conf. on Model-Driven Engineering and Software Development - MODELSWARD, Luís Ferreira Pires, Slimane Hammoudi, Ed., Lisbon, SCITEPRESS, 2014, vol. 1, pp. 392-399