Smith, Guy-Herold
Conservation of natural resources / Guy-Herold Smith - New York : Wiley , 1950 - xii, 552 p. : ill. ; 29 cm.
Includes bibliographical references and index.
Natural resources
333.9 / SMI
Conservation of natural resources / Guy-Herold Smith - New York : Wiley , 1950 - xii, 552 p. : ill. ; 29 cm.
Includes bibliographical references and index.
Natural resources
333.9 / SMI