The restrictor bar weir is one of the mobile brigades , which usually consists of a number of closures. A barbed weir always has an underflow seal and usually another overflow seal, for example in the form of a fish-belly flap .
- Theodor Strobl, Franz Zunic: Hydraulic engineering. Current principles, new developments . Springer, Berlin et al. 2006, ISBN 3-540-22300-2 .