Human environments and natural systems /
Greenwood, Ned H.
Human environments and natural systems / N. H. Greenwood, J. M. B. Edwards. - 2d ed. - North Scituate : Duxbury Press, 1979. - xii, 548 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0-878-72168-1
Human ecology.
Environmental protection.
301.31 GRE
Human environments and natural systems / N. H. Greenwood, J. M. B. Edwards. - 2d ed. - North Scituate : Duxbury Press, 1979. - xii, 548 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0-878-72168-1
Human ecology.
Environmental protection.
301.31 GRE