A great and constantly growing number of scientific journals editions demands strict selection of journals during the planning of their purchase.#R##N##R##N#The method of journal selection on the basis of the information service system data is described in this article. The primary value of a journal has been defined as an amount of the retrieved for the readers information concerning the articles published in a given journal. This parameter and the costs of subscription are the basis for journal ranking and determination of the number of copies (to be bought).#R##N##R##N#This method has been verified by the use of data from the SDI system exploited at Wroclaw Technical University.#R##N##R##N#Having compared the achieved results with the results of the simultaneously conducted questionnaire investigation, it has been found that there is a considerable degree of accordance between the results of journal acquisition planning based on the described method, and the demands of journal users.
['Czesław Daniłowicz', 'H Szarski']
Selection of scientific journals based on the data obtained from an information service system