Journal article (2016) - M.P. Weir (author), D.W. Johnson (author), N. Clarke (author), S.C. Boothroyd (author), R.C. Savage (author), R.L. Thompson (author), S.R. Parnell (author), A.J. Parnell (author), SM King (author), S.E. Rogers (author), K.S. Coleman (author)