Characterizing a scientific elite: the social characteristics of the most highly cited scientists in environmental science and ecology. - John N. Parker; Christopher J. Lortie; Stefano Allesina (Scientometrics, 2010)

Characterizing a scientific elite (B): publication and citation patterns of the most highly cited scientists in environmental science and ecology. - John N. Parker; Stefano Allesina; Christopher J. Lortie (Scientometrics, 2013)