Study of seasonal variability of upwelling in South-West Africa based on contact and satellite measurements 25.08.202008.02.2006 by Светлана Малахатко Yu. V. Artamonov, V. N. Belokopytov, A. E. Bukatov, N. M. Solovey, E. A. Skripaleva, A. H. Khaliulin Full text in PDF(RUS)