00939nam0-22003251i-450-99000146168040332120090615145452.0000146168FED01000146168(Aleph)000146168FED0100014616820010214d1936----km-y0itay50------baitaUSa---a---001yySoil erosion and its controlby Quincy Claude AyresNew York and LondonMcGraw-Hill Book Company1936xi, 365 p.ill.25 cmMcGraw-Hill publications in agricultural engineeringPedologiaAyres,Quincy Claude64434ITUNINARICAUNIMARCBK9900014616804033219 II 2210758DBV15 L/4-23inv.n. 500DINIDDBVDINIDSoil erosion and its control379204UNINA