TY  - GEN
AU  - Clymo,
AU  - Golterman,
TI  - Methods for chemical analysis of fresh waters
T2  - Handbook / IBP
PY  - 0000///Blackwell Scientific Publications
CY  - Oxford
PB  - cop. 1969
KW  - Análises químicas
KW  - Limnologia
KW  - B 23
ER  -