Interrelations between the Length, the Structure and the Cardinality of a Chain. - Gerhard Herden; Andreas Pallack (Order, 2001)

Consistency in ordinal data analysis I. - Gerhard Herden; Andreas Pallack (Math. Soc. Sci., 2002)

On the continuous analogue of the Szpilrajn Theorem I. - Gerhard Herden; Andreas Pallack (Math. Soc. Sci., 2002)

On a Strong Continuous Analogue of the Szpilrajn Theorem and its Strengthening by Dushnik and Miller. - Gianni Bosi; Gerhard Herden (Order, 2005)

On a Possible Continuous Analogue of the Szpilrajn Theorem and its Strengthening by Dushnik and Miller. - Gianni Bosi; Gerhard Herden (Order, 2006)

Continuous Utility Representation Theorems in Arbitrary Concrete Categories. - Gianni Bosi; Gerhard Herden (Appl. Categorical Struct., 2008)

On continuous multi-utility representations of semi-closed and closed preorders. - Gianni Bosi; Gerhard Herden (Math. Soc. Sci., 2016)