Plants and the ecosystem
By: W. D. Billings.
Edition: 3rd ed.
Publisher: Wadsworth Publishing Company, Inc.
Published: 1978
Place of publication: Belmont, Calif
Language: eng
Number of pages: 177
Subjects: Botany -- Ecology.
Notes: Second ed. published in 1970 under title 'Plants, man, and the ecosystem'.

Includes index and bibliography p. 164-167.