@conference {oliveira09b,
	title = {Applying Program Comprehension Techniques to Karel Robot Programs},
	booktitle = {Proceedings of the International Multiconference on Computer Science and Information Technology - 2nd Workshop on Advances in Programming Languages (WAPL{\textquoteright}2009)},
	year = {2009},
	month = {October},
	pages = {697{\textendash}704},
	publisher = {IEEE Computer Society Press},
	organization = {IEEE Computer Society Press},
	address = {Mragowo, Poland},
	attachments = {https://haslab.uminho.pt/sites/default/files/nunooliveira/files/wap09_karel_vf.pdf},
	author = {Nuno Oliveira and Pedro Rangel Henriques and Daniela da Cruz and Maria Jo{\~a}o Varanda Pereira and Mernik, Marjan and Kosar, Toma{\.z} and {\v C}repin{\v s}ek, Matej}
}