David Llewellyn

Biological waste gas purification using membranes: opportunities and challenges

N. J. R. Kraakman, N. van Ras, David Llewellyn, 2007 .

Where do people drown? Encoding the third component of the 4W model.

David Llewellyn, Stathis Avramidis, Ronald Butterly, 2009 .