Properties of water and steam the industrial standard IAPWS IF97 for the thermodynamic properties and supplementary equations for other properties ; tables based on these equations = Zustandsgrößen von Wasser und Wasserdampf - Wagner, Wolfgang 1940-; Kruse, Alfred; Kretzschmar, Hans-Joachim 1952-; Kretzschmar, Hans-Joachim 1952- (Springer, 1998)