TY  - BOOK
AU  - Van Dyne,George M.
ED  - Symposium on the Ecosystem Concept in Natural Resource Management
TI  - The ecosystem concept in natural resource management
U1  - 574.5 
PY  - 1969///
CY  - New York
PB  - Academic Press
KW  - Ecology
KW  - Congresses
KW  - Conservation of natural resources
KW  - Ecosystem management
N1  - Includes bibliographical references and index
ER  -