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, Calif. : W. H. Freeman, 1973. - 304 p. : ill. ; 24 cm.
Includes bibliographies.
0716705958
Ecology.
Environmental health.
Population control.
Population growth
Human ecology : problems and solutions / By Paul R. Ehrlich, Anne H. Ehrlich and John P. Holdren. - San Francisco, Calif. : W. H. Freeman, 1973. - 304 p. : ill. ; 24 cm.
Includes bibliographies.
0716705958
Ecology.
Environmental health.
Population control.
Population growth
