Referenties
Bax, I H W, and W Schippers. 1997. Ontwikkeling van botanisch waardevol grasland. Edited by Dienst Landelijk Gebied voor ontwikkeling en beheer & IKC natuur beheer. Veldgids C-18. Lunodruk, Houten.
Elzinga, Caryl L, Daniel W Salzer, J W Willoughby, and J P Gibbs. 2001. Monitoring Plant and Animal Populations. Blackwell Science.
Morrison, Lloyd W. 2016. “Observer error in vegetation surveys: a review.” Journal of Plant Ecology 9 (4): 367–79. doi:10.1093/jpe/rtv077.
Peet, Robert K, Thomas R Wentworth, and Peter S White. 1998. “A Flexible, Multipurpose Method for Recording Vegetation Composition and Structure.” Castanea 63 (3). Southern Appalachian Botanical Society: pp. 262–74. http://www.jstor.org/stable/4033979.