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2. Forestry Robotics - why, what, when?;Halme,1998
3. Impacts of new technologies on agricultural production systems: the cases or agricultural biotechnology and automatic milking;Demont,2001
4. Just one damn machine after another? technological innovation and the industrialization of tree harvesting systems;Macdonald;Technology in Society,1999
5. Motivations of Dutch farmers to invest in an automatic milking system or a conventional milking parlour;Hogeveen,2004