WaterSteamPro - is registered program and trademark of Moscow Power Engineering Institute (Technical University).
Mathcad - is registered trademark of MathSoft, Inc.
Microsoft, Microsoft Windows, Microsoft Visual Basic, Microsoft Visual Studio, Microsoft Visual C++, Microsoft Office, Visual Basic for Applications (VBA), Microsoft Excel - are registered trademarks of Microsoft Corp. Windows NT - is a trademark of Microsoft Corp.
Delphi - is registered trademark of Borland, Inc.
Other brand and product names are trademarks or registered trademarks of their respective owners.
Section "Structure and Regions of IAPWS-IF97" based upon book: A.A. Alexandrov, B.A. Grigoriev - Tables for thermalphysics properties of water and steam. Reference book. - Moscow.: MPEI, 1999. - 168 pages.