Luckey M, Erwig M, Engels G. Systematic evolution of model-based spreadsheet applications. Journal of Visual Languages &; Computing. 2012;23(5):267-286. doi:10.1016/j.jvlc.2011.11.009
LibreCat: /record/7340
DOI: 10.1016/j.jvlc.2011.11.009

Soltenborn C, Engels G. Using rule overriding to improve reusability and understandability of Dynamic Meta Modeling specifications. Journal of Visual Languages &; Computing. 2011;22(3):233-250. doi:10.1016/j.jvlc.2010.12.005
LibreCat: /record/7355
DOI: 10.1016/j.jvlc.2010.12.005