Soil and water conservation engineering
Schwab, O. G. Frevert, R. K. Edminster, T. W. Barnes, K. K.
Soil and water conservation engineering - third - john Willey & sons U.S.A 1955 - 525p. fig., table, chart, ill.
5380
Agriculture
631.4 / SOI
Soil and water conservation engineering - third - john Willey & sons U.S.A 1955 - 525p. fig., table, chart, ill.
5380
Agriculture
631.4 / SOI