Whole counting vs. whole-normalized counting: A country level comparative study of internationally collaborated papers on Tribology. - Bakthavachalam Elango; Periyaswamy Rajendran (CoRR, 2014)

A macro level scientometric analysis of world tribology research output (1998 - 2012). - Bakthavachalam Elango; Periyaswamy Rajendran; Lutz Bornmann (CoRR, 2014)

Analysis of retractions in Indian science. - Bakthavachalam Elango; Marcin Kozak; Periyaswamy Rajendran (Scientometrics, 2019)