@article{CTT100849124, author = {Pitchaporn Oungpakornkaew and Preechar Karin and Ruangdaj Tongsrib and KatsunoriHanamura}, title = {Characterization of biodiesel and soot contamination on four-ball wear mechanisms using electron microscopy and confocal laser scanning microscopy}, journal = {Wear}, year = 2020, }