*3.6. Most Relevant Authors in Research on SI*

Table 7 shows the main characteristics of the authors who have produced the highest numbers of articles on SI. A large number of authors published articles on SI within the study period, but the number of publications per author was small. The three authors with the most articles were Henning Bjornlund from the University of South Australia, Bartolomeo Dichio from the Università degli Studi della Basilicata, and Ajay Kumar R. Singh from the Indian Institute of Technology Kharagpur. Although they published the same number of articles, there were large differences in terms of the relevance of the publications of the different authors. Bjornlund has a total of 20 citations for his articles, Dichio 11, and Singh 145. James D. Oster of the University of California was the author with the largest number of citations with a total of 369; and the highest average number of citations per article with 73.8. He was followed by Mohammad Valipour from the Islamic Azad University, with a total of 366 citations and 73.2 per article. In third place was Dennis Wichelns from the Stockholm Environment Institute with 189 total citations and 37.8 citations per article. The author with the oldest publication was Bart Schultz of the IHE Delft Institute for Water Education, who published his first article in 2001. This author, who has written four articles on SI, has accumulated a total of 122 citations and published his last article on this subject in 2005. The authors who have made more recent contributions to this line of research are P. Amparo López-Jiménez and Modesto Pérez-Sánchez from the Universitat Politècnica de València.



<sup>1</sup> Total number of citations divided by the total number of articles; <sup>2</sup> only sample documents; <sup>3</sup> last verified affiliation.
