TY  - GEN
AU  - Wilbert,Norbert
TI  - A standardized method for identifying and counting the vagile and sessile periphyton
SN  - 1432-1939
PY  - 1976///
PB  - Oecologia
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1007/BF00381140
ER  -