Plants, man, and the ecosystem
Billings, William Dwight1910-
London Macmillan
1972
This ed. originally published, Belmont: Wadsworth, 1970. - Previous ed. published as 'Plants and the ecosystem'. Belmont: Wadsworth, 1964; London: Macmillan, 1965
Bibliographyp.149-151. - Includes index
Botany