TY  - GEN
AU  - Bick,
TI  - Ciliated protozoa : an illustrated guide to the species used as biological indicators in freshwater biology
SN  - Esc. 1.092$00
PY  - 0000///World Health Organization
CY  - Geneva
PB  - 1972
KW  - Ciliados
KW  - Ecologia
KW  - Taxonomia
KW  - C 63
N2  - Bibliografia. - Índice
ER  -