Atmospheric aerosol properties / K. Kondratyev, L. Ivlev, C. Varotsos, V. Krapivin, 2006 r=on-line. - Текст : электронный.
Krapivin V. Biogeochemical cycles in globalization and sustainable development / V. Krapivin, C. Varotsos, 2008 r=on-line. - Текст : электронный.
Cracknell A. Global climatology and ecodynamics : anthropogenic changes to planet Earth / A. Cracknell, V. Krapivin, C. Varotsos, 2008 r=on-line. - Текст : электронный.
Kondratyev K. Natural disasters as interactive components of global ecodynamics / K. Kondratyev, C. Varotsos, V. Krapivin, 2006 r=on-line. - Текст : электронный.