Genetic Programming 22nd European Conference, EuroGP 2019, Held as Part of EvoStar 2019, Leipzig, Germany, April 24-26, 2019, Proceedings - Sekanina, Lukas; Sekanina, Lukas; Hu, Ting; Hu, Ting; Lourenço, Nuno; Lourenço, Nuno; Richter, Hendrik; Richter, Hendrik; García-Sánchez, Pablo; García-Sánchez, Pablo (Springer International Publishing : Imprint: Springer, 2019)