DIN 68100 Supplement 3

Tolerances for linear measure and angular dimensions in the wood-working and wood-processing industry; change of dimensions due to the influence of moisture, radial and tangential to the grain of red-meranti, muhuhu, niangon, walnut, aspen (poplar), utile, teak, elm and wenge (panga panga)
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1978