Zimmermann, Erich W. 1888-
World resources and industries : a functional appraisal of the availability of agricultural and industrial materials / Erich W. Zimmermann. - revised ed. - New York : Harper & Row, 1951. - xvi, 832 p. : ill.
Commercial geography.
Natural resources.
Industries.
Agriculture--Economic aspects.
Economic geography.
World resources and industries : a functional appraisal of the availability of agricultural and industrial materials / Erich W. Zimmermann. - revised ed. - New York : Harper & Row, 1951. - xvi, 832 p. : ill.
Commercial geography.
Natural resources.
Industries.
Agriculture--Economic aspects.
Economic geography.