To, B. and Le, D.T. 2009. The karst system of Trang An area, Ninh Binh province, Vietnam. Poster Presentation at GeoKarst International symposium on Geology, Natural Resources and Hazards in Karst Regions., 12-15th November 2009, Hanoi, Vietnam.
To, B., Tellam, J.H, Wheeley, J., Herbert, A.W, Butcher, A. 2013. Correlation between English Permo-Triassic sandstone lithofacies and permeability and its importance to contaminant transport in groundwater. Poster Presentation at “What is New in Hydrogeology?” Research Poster Meeting, 6th November 2013, University of Leeds.