APA

Glas M. V. D., . (1998). Gaining ground : Land use and soil conservation in areas of agricultural colonisation in south Brazil and east Paraguay. Utrecht: Universiteit Utrecht.

Chicago

Glas Mariecke Van Der, . 1998. Gaining ground : Land use and soil conservation in areas of agricultural colonisation in south Brazil and east Paraguay. Utrecht: Universiteit Utrecht.

Harvard

Glas M. V. D., . (1998). Gaining ground : Land use and soil conservation in areas of agricultural colonisation in south Brazil and east Paraguay. Utrecht: Universiteit Utrecht.

MLA

Glas Mariecke Van Der, . Gaining ground : Land use and soil conservation in areas of agricultural colonisation in south Brazil and east Paraguay. Utrecht: Universiteit Utrecht. 1998.