Use and abuse of technological intelligence. Positive effects of planting trees. Schumacher lecture on Appropriate Technology at the Great Circle Center, University of Illinois, Chicago, 3/19/77. (...
Use and abuse of technological intelligence. Positive effects of planting trees. Schumacher lecture on Appropriate Technology at the Great Circle Center, University of Illinois, Chicago, 3/19/77. (Peter Gillingham Collection, E. F. Schumacher Library Archives.)
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