by Jansen, A J.M., Fresco, L.F.M., Grootjans, A.P., Jalink, M.H.
Published in Applied vegetation science (01.11.2004)

by Grootjans, Ap, Geelen, Hwt, Jansen, Ajm, Lammerts, Ej
Published in Hydrobiologia (01.06.2002)

by Grootjans, Ap, Bakker, Jp, Jansen, Ajm, Kemmers, Rh
Published in Hydrobiologia (01.06.2002)

by Jansen, A.J.M., Grootjans, A.P., Jalink, M.H.
Published in Applied vegetation science (01.05.2000)