Russia
ShindyapinGeorgiyPetrovich
Saratov State University,
Russia, Saratov, Astrakhanskaya 83
vem@info.sgu.ru
MatutinAleksandrAleksandrovich
Saratov State University,
Russia, Saratov, Astrakhanskaya 83
matutinaa@mail.ru
NedorezovPetrFeodosievich
Saratov State University,
Russia, Saratov, Astrakhanskaya 83
P1934n@yandex.ru
SakhnoLyudmila Vladimirovna
Saratov State University,
Russia, Saratov, Astrakhanskaya 83
saxno_l_v@mail.ru
ButerinSergeyAleksandrovich
Saratov State University,
Russia, Saratov, Astrakhanskaya 83
buterinsa@info.sgu.ru
TverdokhlebovVladimirAleksandrovich
Saratov State University,
Russia, Saratov, Astrakhanskaya 83
tverdokhlebovva@list.ru
RodionovEvgenyAnatolievich
Russian State Geological Prospecting University,
23, Mikluho-Maklaya st., 117997, Moscow, Russia
evgeny_980@list.ru
PortenkoMarinaSergeevna
Saratov State University,
Russia, Saratov, Astrakhanskaya 83
msportenko@gmail.com
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