@inproceedings{Pittler:2019ae, author = "Pittler, Ferenc", title = "{Hadron-Hadron Interactions from $N_f = 2 + 1 + 1$ Lattice QCD: $\pi-K$ scattering length}", doi = "10.22323/1.334.0072", booktitle = "Proceedings of The 36th Annual International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE2018)", year = 2019, volume = "334", pages = "072" }