Perm MalkovaMariaVladimirovna Perm National Research Polytechnic University, Komsomolsky prospect, 29, Perm, Russia, 614990 malk.maria@mail.ru Read more about Malkova Maria Vladimirovna MyasnikovaDianaIgorevna Perm State University, 15 Bukireva St., Perm 614990, Russia kosodi@yandex.ru Read more about Myasnikova Diana Igorevna KosolapovaLarisaAlexandrovna Perm State University, 15 Bukireva St., Perm 614990, Russia la_kossolapova@list.ru Read more about Kosolapova Larisa Alexandrovna MelnikovViktorOlegovich Perm State University, 15 Bukireva St., Perm 614990, Russia viktor_melnikov_psu@rambler.ru Read more about Melnikov Viktor Olegovich SterledevaTamaraDmitrievna Perm National Research Polytechnic University, Komsomolsky prospect, 29, Perm, Russia, 614990 cenzia@rambler.ru Read more about Sterledeva Tamara Dmitrievna
