Present status and further possibilities for space weather studies at BEO Moussala von Mishev, A.L., Stamenov, J.N.

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Monitoring and management of mountain environment von Stamenov, J.N, Vachev, B.I

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Cosmic ray studies at Moussala – Past, present and future von Mishev, A.L., Stamenov, J.N., Angelov, I.I., Ahababian, N.O., Kirov, I.N., Malamova, E.S.

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A method for energy estimation and mass composition determination of primary cosmic rays at the Chacaltaya observation level based on the atmospheric Cherenkov light technique von Mavrodiev, S.Cht, Mishev, A.L., Stamenov, J.N.

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A possibility for the calibration of direct and indirect methods for the primary mass composition investigation von Procureur, J, Stamenov, J N

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Hadrons in EAS initiated by cosmic gamma-rays with ultra-high energy von Catelet, E, Procureur, J, Stamenov, J N

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Evidence for the behaviour of the photoproduction cross section at ultra-high energies von Dumora, D, Procureur, J, Stamenov, J N

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About the selection efficiency of extensive air showers initiated by different cosmic primaries von Chatelet, E, Procureur, J, Stamenov, J N

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Muons in EAS generated by cosmic gamma-rays with ultra-high energy von Chatelet, E, Procureur, J, Stamenov, J N, Ushev, S Z

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Search for EAS excess from the direction of compact galactic x-ray sources Cygnus X-3, Hercules X-1, Cygnus X-1 and others von Kirov, I N, Stamenov, J N, Ushev, S Z, Aseikin, V S, Nikolskaja, N M, Nikolsky, S I

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On the lateral distribution of electrons in electromagnetic cascades in air von Procureur, J, Stamenov, J N, Ushev, S Z

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Information content of extensive air showers with sizes 105-107 at observation level 550 g cm-2 von Chatelet, E, Procureur, J, Stamenov, J N

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Analysis of the electron and muon components of extensive air showers at an observation level of 700 g cm-2 with the help of a scale breaking interaction model von Procureur, J, Stamenov, J N, Stavrev, P V, Ushev, S Z

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Constant efficiency selection of eas with energies 10$^{5}$ - 10$^{7}$gev at observation level 700 g cm$^{-2} von Kirov, I.N., Nikolskaja, N.M., Procureur, J., Stamenov, J.N.

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New possibilities for the Chacaltaya array von Procureur, J, Stamenov, J N

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About the necessity of new small EAS experiments at observation levels 500-600 g cm-2 von PROCUREUR, J, STAMENOV, J. N

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Information content of extensive air showers with sizes 10 5 -10 7 at observation level 550 g cm -2 von Chatelet, E, Procureur, J, Stamenov, J N

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The method of isolines for the shower axis determination von Kirov, I. N, Stamenov, J. N

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Constant efficiency selection of EAS with energies 10 5 -10 7 GeV at observation level 700 g cm -2 von Kirov, I N, Nikolskaja, N M, Procureur, J, Stamenov, J N

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The method of isolines for the shower axis determination von Kirov, I N, Stamenov, J N

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