Modelling and measuring multilateral co-authorship in international scientific collaboration. Part II. A comparative study on the extent and change of international scientific collaboration links. - Wolfgang Glänzel; Cornelius de Lange (Scientometrics, 1997)

Modelling and measuring multilateral co-authorship in international scientific collaboration. Part I. Development of a new model using a series expansion approach. - Cornelius de Lange; Wolfgang Glänzel (Scientometrics, 1997)

A distributional approach to multinationality measures of international scientific collaboration. - Wolfgang Glänzel; Cornelius de Lange (Scientometrics, 2002)