man-roxygen/ref_pretzsch_2015.R

In JonasGlatthorn/APAtree: Computation of the 'Area Potentially Available' (APA) to Trees

#' @references{ Pretzsch, H., Biber, P., Uhl, E., Dahlhausen, J., Roetzer, T., Caldentey,
#'  J., Koike, T., van Con, T., Chavanne, A., Seifert, T., Du Toit, B., Farnden,
#'  C., Pauleit, S., 2015. Crown size and growing space requirement of common
#'  tree species in urban centres, parks, and forests. Urban Forestry & Urban
#'  Greening 14 (3), 466-479.}