PT Unknown AU Pierog, T TI Hadronic high energy interactions and atmospheric cascades SE Sagawa, H. [Hrsg.] Internat.Symp.on the Recent Progress of Ultra-high Energy Cosmic Ray Observation, Nagoya, J, December 10-12, 2010 Melville, N.Y. : American Inst.of Physics, 2011 (AIP Conference Proceedings ; 1367) PY 2011 BP 64 EP 69 LA english ER