Gaspers, S., & Szeider, S. (2012). Backdoors to Satisfaction. In H. L. Bodlaender, R. G. Downey, F. Fomin, & D. Marx (Eds.), The Multivariate Algorithmic Revolution and Beyond (pp. 287–317). Springer LNCS. https://doi.org/10.1007/978-3-642-30891-8_15