TY  - BOOK
AU  - Pickett, Steward T.A.
TI  - Ecological understanding : the nature of theory and the theory of nature
U1  - 574.5 P53E 
PY  - 2007///
CY  - Amsterdam
PB  - Elsevier
KW  - ECOLOGY -- PHILOSOPHY
KW  - ECOLOGY -- METHODOLOGY
ER  -