TY  - BOOK
AU  - Furness,R.W.
AU  - Greenwood,J.J.D.
TI  - Birds as monitors of environmental change
SN  - 0412402300
U1  - 363.7 
PY  - 1993///
CY  - London
PB  - Chapman & Hall, 
KW  - AVES
KW  - ASPECTOS AMBIENTALES
KW  - CALIDAD AMBIENTAL
KW  - CONTAMINACION
ER  -