Earth, Air and Water : Resources and environment in the late 20th century /
Simmons, I. G. 1937-
Earth, Air and Water : Resources and environment in the late 20th century / I.G. Simmons. - vi, 254 p. : ill., maps ;
includes index
Includes bibliographical references.
9780340524152
Human ecology.
Natural resources.
Conservation of natural resources.
GF 41 SIM 1991
Earth, Air and Water : Resources and environment in the late 20th century / I.G. Simmons. - vi, 254 p. : ill., maps ;
includes index
Includes bibliographical references.
9780340524152
Human ecology.
Natural resources.
Conservation of natural resources.
GF 41 SIM 1991