BEHAVIOR OF PLATINUM ADATOMS ON A CARBON SUBSTRATE ArticleVALLEJO L.A., PETUKHOVA R.P., PODLOVCHENKO B.I., KONDRASHOVA V.S.SOVIET ELECTROCHEMISTRY. Vol. 19. 1983. P.. 423-427
GENESIS AND GEOGRAPHY OF SOILS IN THE EASTERN SUDAN ArticleZONN S.V., TEZHANI E.Soviet Soil Science. Vol. 15. 1983. P.. 12-29