TY  - GEN
AU  - Navas-Pereira,D
AU  - Henrique,R M
TI  - [The use of biological indices on environmental quality assessment]
SN  - 0034-7108
PY  - 1997///0320
KW  - Animals
KW  - Ecosystem
KW  - Environmental Monitoring
KW  - methods
KW  - Fresh Water
KW  - Humans
KW  - Quality Control
N1  - Publication Type: English Abstract; Journal Article
ER  -