Lattice distortion by impurities in MgB2Klopov, MihhailProceedings of the Estonian Academy of Sciences. Physics. Mathematics2006 / 1, p. 53-57 : ill https://www.semanticscholar.org/paper/Lattice-distortion-by-impurities-in-MgB2-Klopov/984ee788c900f470944d06adefafa6c5426da577