Suppliers
The above items may be purchased locally or from suppliers in Europe and the United States, some of whom may have agents in the region. There are many companies selling conservation products and supplies, so it might be useful to browse the following web sites to gain some feeling for what is available:
http://www.universityproducts.com/
http://www.lightimpressionsdirect.com/
http://www.conservationresources.com/