00807nam0-22002891i-450-99000063994040332120001010000063994FED01000063994(Aleph)000063994FED0100006399420001010d--------km-y0itay50------baitay-------001yyTerrain evaluationColin W. Mitchellwith a foreword by J.M. Houston.LondonLongman1973xiv, 221 p.ill.22 cmMitchell,Colin W.32233Houston,James Macintosh<1922- >ITUNINARICAUNIMARCBK99000063994040332101 I 20203666DINSTDINSTTerrain evaluation314707UNINAING01