Sandro Etalle, Maurizio Gabbrielli. Layered Modes. Journal of Logic and Algebraic Programming, 39(1-3):225-244, 1999.
@article{EtalleG99, title = {Layered Modes}, author = {Sandro Etalle and Maurizio Gabbrielli}, year = {1999}, researchr = {https://researchr.org/publication/EtalleG99}, cites = {0}, citedby = {0}, journal = {Journal of Logic and Algebraic Programming}, volume = {39}, number = {1-3}, pages = {225-244}, }