TY  - BOOK
AU  - Risser,Paul G.
TI  - Long-term ecological research: an international perspective 
T2  - SCOPE
SN  - 0471930059 (cloth) :
U1  - 574.5 23
PY  - 1991///
CY  - Chichester [England], New York
PB  - Published on behalf of the Scientific Committee on Problems of the Environment (SCOPE), International Council of Scientific Unions (ICSU), John Wiley & Sons
KW  - Ecology
KW  - EcologÃ­a
N1  - Incluye referencias bibliogrÃ¡ficas e Ã­ndice
ER  -