Measurement of the depth of maximum of extensive air showers above 10.sup.18./sup. eV

ABRAHAM, J., ABREU, P., AGLIETTA, M., BOHÁČOVÁ, Martina, CHUDOBA, Jiří, KÁROVÁ, Tatiana, MANDÁT, Dušan, NEČESAL, Petr, NOŽKA, Libor, NYKLÍČEK, Michal, PALATKA, Miroslav, PECH, Miroslav, PROUZA, Michael, ŘÍDKÝ, Jan, SCHOVANCOVÁ, Jaroslava, SCHOVÁNEK, Petr, ŠMÍDA, Radomír, TRÁVNÍČEK, Petr. Measurement of the depth of maximum of extensive air showers above 10¹⁸ eV. Physical Review Letters. 2010, 104(9), 091101/1-091101/7. ISSN 0031-9007. E-ISSN 1079-7114. Available: doi: 10.1103/PhysRevLett.104.091101