Zimmermann, Erich W.
World resources and industries: a functional appraisal of the availability of agricultural and industrial materials / Erich W. Zimmermann - Rev. ed. - New York : Harper & Brothers , 1951 - xvi, 832p. ; 30 cm.
Includes bibliographical references and index.
Natural resources
Economic geography
Economic aspects
Agriculture
Industry studies
333.9 / ZIM
World resources and industries: a functional appraisal of the availability of agricultural and industrial materials / Erich W. Zimmermann - Rev. ed. - New York : Harper & Brothers , 1951 - xvi, 832p. ; 30 cm.
Includes bibliographical references and index.
Natural resources
Economic geography
Economic aspects
Agriculture
Industry studies
333.9 / ZIM