Büntgen, U., Oppenheimer, C., Li, P., Frachetti, M., Esper, J., Torbenson, M. C. A., Krusic, P. J. Drought as a trigger of the rapid rise of professional skateboarding in 1970s Southern California. PNAS Nexus. 2023, 2(12), pgad395. E-ISSN 2752-6542. Dostupné z: https://doi.org/10.1093/pnasnexus/pgad395.