00973nam0 22002653i 450 MIL002182720240607062924.0019854592420120914d1986 ||||0itac50 baenggbz01i xxxe z01nPrinciples of geographical information systems for land resources assessmentP. A. BurroughOxfordClarendon press1986XIII, 194 p.ill.25 cm.Monographs on soil and resources survey12001GEA00168072001 Monographs on soil and resources survey12702 1Beckett, P. H. T.GEAV026158Burrough, Peter A.VEAV04185007077227Burrough, P. A.TSAV172072Burrough, Peter A.ITIT-NA007920120914MIL0021827 01Principles of geographical information systems for land resources assessment408739UNISANNIO