00831nam0-22003131i-450 99000146673040332120240710141920.0FED01000146673(Aleph)000146673FED0100014667320010214d1937----km-y0itay50------baengUSa---a---001yyConservation of the soilby A.F. GustafsonNew YorkMcGraw-Hill1937xvii, 312 p.25 cmPedologia631.4423itaGustafson,A.F.351944ITUNINARICAUNIMARCBK9900014667304033219 III 110419DBVA MIC 27189667/2024FAGBCDBVFAGBCConservation of the soil379156UNINA