@inbook{6a1f744b99554e6b91c02d4b8b03f94e,
title = "Calculation of natural stress factors",
author = "K. Hendriks and J.M. Klap and \{de Jong\}, E. and \{van Leeuwen\}, E.P. and \{de Vries\}, W.",
year = "1997",
language = "Undefined/Unknown",
pages = "225--239",
editor = "C. M{\"u}ller-Edzards and \{de Vries\}, W. and J.W. Erisman",
booktitle = "Ten years of monitoring forest condition in Europe; studies on temporal development, spatial distribution and impacts of natural and anthropogenic stress factors",
publisher = "EC-UN/ECE",
}