1. Sources of information on specific subjects;Bradford;Engineering,1934
2. The derivation and application of the bradford-zipf distribution;Brookes;Journal of Documentation,1968
3. Biblio-, sciento-, infor-metrics??? What are we talking about?;Brookes,1990
4. Informetrics 87/88; select proceedings of the First International Conference on Bibliometrics and Theoretical Aspects of Information Retrieval,1988
5. Informetrics 89/90; selection of papers submitted for the Second International Conference on Bibliometrics, Scientometrics and Informetrics,1990