Стр. 17-20
Author(s): I. Bakare
Стр. 21-25
Author(s): Alexei Noskov
Стр. 37-39
Author(s): Ekaterina A. Elkina / Sergey V. Kostelyanets / Tatiana Kochanova / Aleksandr A. Tkachenko
Стр. 43-48
Author(s): Timur R. Khayrullin / Andrey V. Korotayev
Стр. 64-70
Author(s): Irina Deryugina