Human ecology :
Ehrlich, Paul R.
Human ecology : problems and solutions / Paul R. Ehrlich, Anne H. Ehrlich, John P. Holdren. - 1973. - xi, 304 p. ; 24 cm. - A series of books in biology. .
Incluye bibliografia.
0-7167-0595-8
GF41 / E47
Human ecology : problems and solutions / Paul R. Ehrlich, Anne H. Ehrlich, John P. Holdren. - 1973. - xi, 304 p. ; 24 cm. - A series of books in biology. .
Incluye bibliografia.
0-7167-0595-8
GF41 / E47
