@booklet {2600,
	title = {Proceedings of the 4th International Workshop on Bidirectional Transformations co-located with Software Technologies: Applications and Foundations},
	journal = {Editorship of Proceedings of the 4th International Workshop on Bidirectional Transformations co-located with Software Technologies: Applications and Foundations, STAF 2015},
	year = {2015},
	month = {July},
	publisher = {HASLab/ INESC TEC \& University of Minho},
	address = {Braga, Portugal},
	attachments = {https://haslab.uminho.pt/sites/default/files/alcino/files/preface.pdf},
	author = {Alcino Cunha and Ekkart Kindler}
}