Informetrics 89/90 : selection of papers submitted for the second International Conference on Bibliometrics, Scientometrics and Informetrics, London, Ontario, Canada, 5-7 July 1989 / ed. by Leo Egghe, Ronald Rousseau
"Informetrics 89/90 : selection of papers submitted for the second International Conference on Bibliometrics, Scientometrics and Informetrics, London, Ontario, Canada, 5-7 July 1989 / ed. by Leo Egghe, Ronald Rousseau"
"Informetrics 89/90 : selection of papers submitted for the second International Conference on Bibliometrics, Scientometrics and Informetrics, London, Ontario, Canada, 5-7 July 1989"