E. Oele, W. Apon, M. M. Fischer, R. Hoogendoorn, C. S. Mesdag, E. F. J. de Mulder, B. Overzee, A. Sesoren, W. E. Westerhoff. Surveying the Netherlands: sampling techniques, maps and their application. njg [Internet]. 1983Jan.1 [cited 2026Apr.3];:355-72. Available from: https://njgjournal.nl/index.php/njg/article/view/13396