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  • Effect of whelling with heavy machinery on soil physical properties in Impact of water and external forces on soil structure. Selected papers of the 1st Workshop on soilphysics and soilmechanics, Hannover 1986.
  • Plots with wheel tracks were prepared under wet respectively dry weather conditions. The effect on yield reduction and on deterioration of soil physical properties was investigated. After 7 experiment years, the influence of wheel tracks, produced
  • Drainage density on progressively tilted surfaces with different gradients, Wheeler Ridge, California
  • Wheeler Ridge in the Southern San Joaquin Valley, California, is an anticlinal fold which has been progressively uplifted during the last 250 ka. This study first documents how drainage density has evolved through time on Wheeler Ridge
  • The Wheel of Tlaloc
  • Two-wheeling the West, reliving the 1960s : part II
  • Two-wheeling the West, reliving the 1960s
  • Off road: four-wheel drive and the sense of place
  • The wheel of retail gravitation?