Ecological principles /
Micheal A. Tribe, Micheal R. Eraut & Roger K. Snook.
- Cambridge : Cambridge University Press, 1975.
- viii, 160 p. : ill., diagrs., photos.
[ Basic biology course ; Unit 2 : organisms and their environment ; Book 4]
Bibliography : p. 158.
0-521-20658-8
Ecology. Geographical distribution of animals and plants.