B. Middendorf

Geopolymers as an alternative to Portland cement: An overview

B. Middendorf, N.B. Singh, B. Middendorf, 2020 .

Use of old and modern analytical methods for the determination of ancient mortars in Northern Germany

B. Middendorf, Dietbert Knöfel, 1991 .

Investigative methods for the characterisation of historic mortars—Part 2: Chemical characterisation

G. Baronio, I. Papayianni, K. Callebaut, 2005 .