Journal of Superhard Materials
Journal of Superhard Materials > 2008 > 30 > 5 > 333-337
Journal of Superhard Materials > 2009 > 31 > 1 > 55-61
Journal of Superhard Materials > 2011 > 33 > 4 > 255-260
Journal of Superhard Materials > 2012 > 34 > 4 > 270-280
Journal of Superhard Materials > 2014 > 36 > 2 > 124-135