This document is part of the Publications of the Estonian Institute
a collection of public domain and copypermitted texts for reference
purposes. The contents of the publication may be freely used in
preparing articles, speeches, broadcasts, etc. No acknowledgement
is necessary.
The specific electronic form of the document is copyright. Permission is
granted for electronic copying and distribution in print form for
educational and other noncommercial purposes, and personal use. In case
of reduplication, please indicate the source.