@book{platen+behoorende+bij+de+waterbouwkunde+d+1+afd+6+polders+en+droogmakerijen,
    author = {Henket, Nicolaas Hubert i Beekman, Anton Albert i Schols, Charles Matthieu i Telders, Jean Marie},
    title = {[Platen behoorende bij de Waterbouwkunde. D. 1, Afd. 6], Polders en Droogmakerijen},
    address = {['S-Gravenhage},
    publisher = {De Gebroeders van Cleef},
    date = {1909}
}