[MSDN Library June 1998] GPOS Header (100%)
MSDN Library Visual Studio 6.0 > Specifications > Applications > TrueType Open Font > 4. The Glyph Positioning Table (GPOS)
[MSDN Library June 1998] GPOS Subtable Examples (84.0909090909091%)
MSDN Library Visual Studio 6.0 > Specifications > Applications > TrueType Open Font > 4. The Glyph Positioning Table (GPOS)