The library catalogue is the main key to the library collections. The main catalogue in card form is in the ground floor of the Library. It contains a classified section arranged according to the UDC numbers and an alphabetical section arranged according to authors / titles. With the introduction of the electronic catalogue, the card catalogue will be discontinued beginning 2002. Has been its continuation will be available in a book form catalogue in classified and alphabetical sequences for the benefit of those who do not use the electronic catalogue.