The following Circular Letters have been published within the last 12 months by the DANIDA Forest Seed Centre, Krugerupvej 3A, DK-3050 Humlebaek, Denmark:
Gmelina arborea: Progress and continuation of the 1977–79 international provenance scheme. Circular Letter No. 13, April 1981;
Teak (Tectona grandis): Evaluation of international provenance trials: 1981–82. Circular Letter No. 14, June 1981;
Proposal for standardising assessments in international provenance trials of teak, Tectona grandis. Circular Letter No. 15, undated;
Information on the DANIDA Forest Seed Sentre. Circular Letter No. 16, December 1981.
