TY  - JOUR
A1  - Wölfl, S.
A1  - Tittel, Jörg
A1  - Zippel, Barbara
A1  - Kringel, R.
T1  - Occurrence of an algal mass development in an acidic (pH 2.5), iron and aluminium-rich coal mining pond
Y1  - 2000
ER  -