@book{5074fc255ec044e1a1e4a9386e38e041,
title = "The {"}Dorschkamp{"} equipment for measuring width of annual growth rings",
keywords = "bosbouw, leeftijdsbepaling, jaarringen, uitrusting, bosbouwmachines, forestry, age determination, growth rings, equipment, forestry machinery",
author = "{van der Beek}, J. and P.P.T.M. Maessen",
note = "Overdr.: Nederlands Bosbouw Tijdschrift 53 (6), 1981 (158-164)",
year = "1981",
language = "English",
series = "Mededeling / Rijksinstituut voor Onderzoek in de Bos- en Landschapsbouw {"}De Dorschkamp{"}",
publisher = "De Dorschkamp",
number = "nr. 191",
}