World resources and industries: a functional appraisal of the availability of agricultural and industrial materials
Zimmermann, E.W.
World resources and industries: a functional appraisal of the availability of agricultural and industrial materials - New York Harper & Row 1973 - 823
Economics
338 ZIM
World resources and industries: a functional appraisal of the availability of agricultural and industrial materials - New York Harper & Row 1973 - 823
Economics
338 ZIM