[MSDN Library June 1998] Horizontal Strip Running Across the Screen (55.2380952380952%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Windows 95.x Retail Product
[MSDN Library June 1998] Horizontal Mouse Position in CGA and MCGA Modes (24.4658336147698%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Microsoft Mouse Products