@article{fernandez-et-al_ker2007,
author = {Fernández, Susana and Borrajo, Daniel and Fuentetaja, Raquel and Arias,
Juan D. and Veloso, Manuela},
journal = {The Knowledge Engineering Review},
number = 2,
pages = {153 -- 184},
title = {PLTOOL: A knowledge engineering tool for planning and learning},
volume = 22,
year = 2007,
}