Galkin V 1

1. Study of High-Altitude Coplanarity Phenomena in Super-High-Energy EAS Cores with a Thick Calorimeter
2. First Results of Studying EAS Cores Using a High-Mountain Ionization Calorimeter
3. Simulations of the EAS Development in the Atmosphere and Detectors for Experiments with the High-Altitude Ionization Calorimeter ADRON-55
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