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Egghe, L.: ¬A good normalized impact and concentration measure (2014) 0.03

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Abstract: It is shown that a normalized version of the g-index is a good normalized impact and concentration measure. A proposal for such a measure by Bartolucci is improved.
Object: g-index

Egghe, L.: Remarks on the paper by A. De Visscher, "what does the g-index really measure?" (2012) 0.02

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Abstract: The author presents a different view on properties of impact measures than given in the paper of De Visscher (2011). He argues that a good impact measure works better when citations are concentrated rather than spread out over articles. The author also presents theoretical evidence that the g-index and the R-index can be close to the square root of the total number of citations, whereas this is not the case for the A-index. Here the author confirms an assertion of De Visscher.
Object: g-index