THE ANALYSIS OF REFERENCE QUESTION RECORDS AS A GUIDE TO THE INFORMATION REQUIREMENTS OF SCIENTISTS

With each year that passes the world output of technical literature increases, making it ever more difficult to locate all significant information on any given subject. The continuance of this trend will lead to greater demands upon information services and plans must, therefore, be prepared for their future expansion. To be both realistic and effective, such plans must be based upon extensive fundamental knowledge, including quantitative data, on the use which scientists make of literature and information facilities.