The CDAC paper "A critical evaluation of pressure scales at high temperatures by in situ X-ray diffraction measurements" [Y. Fei, et al, Phys. Earth Planet. Inter., 143/144, 516-526 (2004)] has been ranked as one of the Top 50 Most Cited Articles by Physics of the Earth and Planetary Interiors. Congratulations to Fei and his coauthors!