00834     2200181   4500001002100000008004100021035002000062245028100082100003100363260004100394300007100435084001500506520004800521082001800569650002400587650001800611990002300629INLIS000000000002701                                   Ind    a0010-1118002701  aClassification problems of selected soil profiles from North Sumatra (Indonesia) according to the USDA soil taxonomy system = Classificatie problemen van geselecteerde bodemprofielen uit Noord Sumatra (Indonesia) volgens het USDA soil taxonomy systemcADIWIGANDA, Mamat Rahmat  aby Mamat Rahmat Adiwiganda  aGentbState University of Gentc1986  aiv, 97 p. : ill. ; 29 cm. + app.civ, 97 p. : ill. ; 29 cm. + app.  a631.44ADIc  aThesis (MSc)-State University of Gent, 1986  a631.44(921.1)  aSOIL CLASSIFICATION  aNORTH SUMATRA  a754/DTS/90-mfn4383