TY  - BOOK
AU  - Esser,G.
AU  - Overdieck,D.
TI  - Modern ecology: basic and applied aspects 
SN  - 0444891838
U1  - 574.5  20
PY  - 1991///
CY  - New York
PB  - Elsevier Science Pub. Co.
KW  - Ecology
N1  - Includes bibliographical references
ER  -