Anindya De, Thomas Watson. Extractors and Lower Bounds for Locally Samplable Sources. In Leslie Ann Goldberg, Klaus Jansen, R. Ravi, José D. P. Rolim, editors, Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques - 14th International Workshop, APPROX 2011, and 15th International Workshop, RANDOM 2011, Princeton, NJ, USA, August 17-19, 2011. Proceedings. Volume 6845 of Lecture Notes in Computer Science, pages 483-494, Springer, 2011. [doi]