Why this differs from similar rows:
Cites Li et al. (ref. 43) as the specific reference the authors selected as MgO reference data; sibling row instead reports a broader literature range spanning refs. 6,10,43-45.
Why this differs from similar rows:
Table I entry gives an experimental range (159-164 GPa) from multiple refs. (6,10,43-45) rather than one specific study; sibling row instead cites Li et al. specifically.
Why this differs from similar rows:
Table I entry for x=0.15 citing ref. 50 as the specific literature source; sibling row cites a different reference (ref. 51) instead.
Why this differs from similar rows:
Table I is a compilation citing different original sources for x=0.4; this row cites ref. 2, the sibling row cites ref. 54.
Why this differs from similar rows:
Table I is a compilation citing different original sources for x=0.4; this row cites ref. 54, the sibling row cites ref. 2.