Collections: The collection contains books, reports, compendia, annals, monography series etc. Some items are in closed shelves but they may still be retrieved and borrowed. Reference Book Collection Most reference books are placed in the reference book collection. They may only be used in the library. Serials Collection Contains periodicals, sorted alphabetically. The last ten years of all periodicals are available. The most popular serials are immediately available. Telephone service You may call the library within the opening hours Monday-Wednesday 10.00-.16.00, Thursday 10,00 - 18.00 and Friday 10.00-14.30.