Piscal 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. Multi-Component Study of Extensive Air Showers at the Tien Shan Mountain Station of LPI and Peculiarities of the Particles Flux Behavior in the Central Region of the (1–100) PeV EAS
4. The prolonged gamma ray enhancement and the short radiation burst events observed in thunderstorms at Tien Shan
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