Germann Water Permeability Test (GWT):
- Cark, A. I. – The influence of silica fume and curing temperature on water permeability of concrete
- Permeability of concrete: A study intended for the “In-Situ” valuation using portable instruments and traditional techniques
- Trezos, K. G.: WATER PERMEABILITY OF SELF COMPACTING CONCRETE
- Mohammadi, B. & Nokken, M.: Development of Concrete Water Absorption Testing for Quality Control