[ report an error in this record ] Speets, Rob Information last updated: 2017-08-31 Previous institute Publication Royal Haskoning, more Report [show] Speets, R.; van Ginkel, M. (2009). Startnotitie milieueffectrapportage: aanpassing waterkering Perkpolder. Royal Haskoning: Rotterdam. 31 + bijlagen pp., more