Horizontal soils : Their construction, filling, use and care
Hendrix, A.T., Miller, M.J.
Horizontal soils : Their construction, filling, use and care - Athens 1964 - 80 p. - No. 113; Georgia Agriculture E .
Horizontal soils : Their construction, filling, use and care - Athens 1964 - 80 p. - No. 113; Georgia Agriculture E .