Schwaderer, G. 2004.
Protected areas.
Euronatur's compilation on the protected areas in the Balkans: 1-10.

Article presents the countries in the Balkans in regard to the existing protected areas.

Schwaderer_2004_Protected_Areas_Balkan.pdf

ECNC. 2003.
Identifying the PEEN in South-eastern Europe. Indicative map of the Pan-European Ecological Network.
Introductory meeting of "The indicative map of PEEN for SEE", 2-3 December 2003, Ljubljana (power-point presentation). European Centre for Nature Conservation: 1-13.

The aim of the project are (1) to outline the contours of the Pan European Ecological Network in South Eastern Europe and (2) to identify, for Slovenia, Croatia, Bosnia-Herzegovina, Serbia-Montenegro, Bulgaria, the FYR of Macedonia, Turkey, Albania: the core nature areas of European importance; existing corridors between these areas; where new corridors could and should be established to meet the connectivity requirements of key species; the location to buffer zones and stepping stones, when and if required and possible.

ECNC_2003_Pan_European_Ecological_Network_in_SE_europe.pdf

Brunner, R. T. 2002.
Transboundary Protected Areas in Central and Eastern Europe.
Nature and environment No. 128: 1-25. Council of Europe Publishing, Strasbourg.

Report of the Council of Europe on the aims, background and cooperation for the most important transboundary protected areas in central and eastern Europe.

Brunner_2002_Transboundary_Protected_Areas_in_C_and_E_Europe.pdf

EC. 1997.
The EMERALD Network - a network of areas of special conservation interest for Europe. 

Presentation of the Emerald Network by the Council of Europe in 1997, published on the Web by ECNC for the Bern Convention Secretariat.

EC_1997_Emerald_Network_Bulgaria.pdf
see also: European Centre for Nature Conservation website and the Pronatura document