@article{AIJ2020103232, title = "The computational complexity of Angry Birds", journal = "Artificial Intelligence", volume = "280", pages = "103232", year = "2020", issn = "0004-3702", doi = "https://doi.org/10.1016/j.artint.2019.103232", url = "http://www.sciencedirect.com/science/article/pii/S0004370219302188", author = "Matthew Stephenson and Jochen Renz and Xiaoyu Ge" }