Subsoils.

Soil-subsurface change = chemical pollutant impacts / by: (Language materials, printed)

Subsoil improvement by: (Language materials, printed)

Soil Science & Conservation.

Soils

Subsoils.

Soil pollution.

Environment.

Terrestrial Pollution.

Geochemistry.

Underground Engineering and Tunnel Construction.

Foundation Engineering.

Soil and Rock Mechanics.

Ecotoxicology.