Quantitative & Numerical Methods in Soil Classification & Survey.
Webster, R.
Quantitative & Numerical Methods in Soil Classification & Survey. - Oxford Laredon Press 1977 - 269 p. - M9nographs on Soil Survey .
631.47 WEB-Q
Quantitative & Numerical Methods in Soil Classification & Survey. - Oxford Laredon Press 1977 - 269 p. - M9nographs on Soil Survey .
631.47 WEB-Q