T. Holzer

Interactions between coot (Fulica atra) and submerged macrophytes: the role of birds in the restoration process.

J. R. Howes, J. Schutten, M. Perrow, 1997 .

Interactions between coot (Fulica atra) and submerged macrophytes: the role of birds in the restoration process

J. R. Howes, J. Schutten, M. Perrow, 2004, Hydrobiologia.