‘AMS/EHAM/Elev./Minus/13ft//Ref./52°/18’/31N/4°/45’/50E:/Amsterdam/Airport/Schiphol/of/Waar/Te/Landen,/1916-2006’. OverHolland, vol. 2, nr. 4, december 2006, pp. 43-65, https://doi.org/10.7480/overholland.2006.4.1599.