An Introduction to the scientific study of the soil
Comber, Norman Mederson, 1888-1953.
An Introduction to the scientific study of the soil - 4th ed. W. N. Townsend - London Edward Arnold 1960 - 232 p. : ill. ; 19 cm.
Soil science
An Introduction to the scientific study of the soil - 4th ed. W. N. Townsend - London Edward Arnold 1960 - 232 p. : ill. ; 19 cm.
Soil science
