TY  - BOOK
AU  - Townsend, Colin R.
AU  - Harper, John l.
TI  - Essentials of ecology
SN  - 0-632-04348-2
U1  - 577 
PY  - 2000///
PB  - Blackwell Science
KW  - Ecology
KW  - Ecosystem
KW  - Plant resources
KW  - Radiation ecology
N1  - Includes bibloographical references and index; ABC
ER  -