Russia
Grabenko A.P.Saratov State University, 410012, Saratov, Astrakhanskaya, 83spivak_va@mail.ru
Spivak Natal'ya AleksandrovnaSaratov State Vavilov Agrarian University, 410012,Saratov, Teatralnaya square,1spivak_va@mail.ru
Spivak Vladimir AndreevichSaratov State University, 410012, Saratov, Astrakhanskaya, 83spivak_va@mail.ru
Zhukhareva O.P.Saratov State University, 410012, Saratov, Astrakhanskaya, 83v.v.korobko@mail.ru
Signaevskiy Voladimir DmitrievichSaratov State University, 410012, Saratov, Astrakhanskaya, 83hanin-hariton@yandex.ru
Polyakova Yuliya AleksandrovnaSaratov State University, 410012, Saratov, Astrakhanskaya, 83kashinas2@yandex.ru
Lobanova Lyudmila PetrovnaSaratov State University, 410012, Saratov, Astrakhanskaya, 83kolesovaau@yndex.ru
Kolesova Alla Yur'evnaSaratov State University, 410012, Saratov, Astrakhanskaya, 83kolesovaau@yandex.ru
Alatortseva Tat'yana AlekseevnaSaratov State University, 410012, Saratov, Astrakhanskaya, 83AlatortsevaTA@mail.ru
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