@article{article4433c7ed, title = {Direct measurement of the muonic content of extensive air showers between 2 × 10^17 and 2 × 10^18 eV at the Pierre Auger Observatory}, author = {Aab, A. and Arbeletche, Luan Bonneau and Catalani, Fernando and Souza, Vitor de and Lang, Rodrigo Guedes and Martínez-Huerta, Humberto and Armand, Johnnier Pérez and Carvalho Junior, Washington Rodrigues de and Santos, Edivaldo Moura and Peixoto, Carlos Jose Todero}, year = {2020}, doi = {10.1140/epjc/s10052-020-8055-y}, journal = {European Physical Journal C} }