Selection in the evolution of gene duplications 
F. Kondrashov, I. Rogozin, Y. Wolf, E. Koonin, Genome Biology 3 (2002).
LibreCat: https://research-explorer.ista.ac.at/record/871
DOI: 10.1186/gb-2002-3-2-research0008
PMID: 11864370

Constant relative rate of protein evolution and detection of functional diversification among bacterial, archaeal and eukaryotic proteins 
I. Jordan, F. Kondrashov, I. Rogozin, R. Tatusov, Y. Wolf, E. Koonin, Genome Biology 2 (2001).
LibreCat: https://research-explorer.ista.ac.at/record/888
DOI: 10.1186/gb-2001-2-12-research0053
PMID: 11790256