Creatures of the earth's crust /
Engel, Fritz-Martin
Creatures of the earth's crust / [by] Fritz-Martin Engel ; translated from the German by J.R. Foster. - London : Harrap, c1961. - 206 p. : ill., plates ; 23 cm.
Includes index.
Ecology--History.
Human ecology--History.
Creatures of the earth's crust / [by] Fritz-Martin Engel ; translated from the German by J.R. Foster. - London : Harrap, c1961. - 206 p. : ill., plates ; 23 cm.
Includes index.
Ecology--History.
Human ecology--History.