00407nam a2200109Ia 4500082002500000100010000025245004200125260004500167300000900212500007100221500000500292 a309.4954552bIn39.TE aIndia. Defence, Ministry of-.Engineering Research and Development Organisation, Directorate of- aTerrain evaluation of Punjab plainsb aNew DelhibTerrain Evaluation Cellc1966 av.p. aAppx-D. Technical report no. 1 - Landscape pattern 4; sandy plains a