This source preferred by Martyn Polkinghorne

Authors: Heard, J., Grieve, D. and Polkinghorne, M.

Editors: Stockton, D. and Wainright, C.

Pages: 534-538

Publisher: Taylor and Francis

Place of Publication: London

ISBN: 978-0748404001

This data was imported from Web of Science (Lite):

Authors: Heard, J., Grieve, D.J. and Polkinghorne, M.N.

Pages: 534-538