TY - BOOK AU - Zimmermann,Erich Walter,1888- TI - World resources and indutries: a functional appraisal of the availability of agricultural and industrial materials PY - 1951/// CY - New York PB - Harper & Row KW - Natural resources KW - Industry KW - Agriculture KW - Economic aspects KW - Geography, Economic N1 - Includes indexes; Includes bibliographies ER -