Titlebook: Environmental Effects of Off-Road Vehicles; Impacts and Manageme Robert H. Webb,Howard G. Wilshire Book 1983 Springer-Verlag New York Inc.

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Datenbankarchitekturen in der Unternehmung,tion can result (for example McCauley et al., 1980; Wilshire et al, 1980). The effects of off-road vehicles (ORVs) on areas of arid or semiarid soils may continue long after the ORV event if some physical property of the soil is altered so that natural resistence to damage by wind and rainfall is de

Mercurial

Custodian

hemorrhage

Landlocked

resuscitation

削減

?konomische Theorie der Sozialpolitik, the balance is best described as dynamic equilibrium. It does not imply absolute equilibrium, but that adjustment to a new situation is attainable within a relatively short time, perhaps within a few years. Obviously, if considered in geologic time spans, dynamic equilibrium has not taken place, b

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