Genezis i geografija počv zarubežnych stran : po issledovanijam sovetskich geografov : k XI Meždunarodnomu kongressu počvovedov (Kanada, 1978 g.) = Soil genesis and geography in foreign countries : after investigations of Soviet geographers : for the XI International congress of soil scientists (Canada, 1978)
International congress of soil scientists(11 : Canada : 1978)