Human ecology; problems and solutions
Ehrlich, Paul R.
Human ecology; problems and solutions / by Paul R. Ehrlich, Anne H. Ehrlich and John P. Holdren - San Francisco W. H. Freeman 1973 - xi, 304 p. illus. 24 cm. - A Series of books in biology .
Includes bibliographies.
0716705958
72-012828
Human ecology
Environmental policy
Human ecology; problems and solutions / by Paul R. Ehrlich, Anne H. Ehrlich and John P. Holdren - San Francisco W. H. Freeman 1973 - xi, 304 p. illus. 24 cm. - A Series of books in biology .
Includes bibliographies.
0716705958
72-012828
Human ecology
Environmental policy
