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Volume 69, Number 1, April 2006

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Traces of Prior Art: An analysis of non-patent references found in patent documents
pp. 3-20(18)
Authors: Callaert, Julie; Van Looy, Bart; Verbeek, Arnold; Debackere, Koenraad; Thijs, Bart

A semi-parametric modeling of firms' R&D expenditures with zero values
pp. 57-67(11)
Authors: Yoo, Seung-Hoon; Moon, Hye-Seon

The efficiency of self-citations in economics
pp. 69-84(16)
Author: Medoff, Marshall H.

Efficiency evaluation of basic research in China
pp. 85-101(17)
Authors: Meng, Wei; Hu, Zhenhua; Liu, Wenbin

An informetric model for the Hirsch-index
pp. 121-129(9)
Authors: Egghe, Leo; Rousseau, Ronald

Theory and practise of the g-index
pp. 131-152(22)
Author: Egghe, Leo

A Hirsch-type index for journals
pp. 169-173(5)
Authors: Braun, Tibor; Glänzel, Wolfgang; Schubert, András

The scientists pyramid
pp. 175-181(7)
Author: Zanotto, Edgar Dutra

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