Reclaiming Open Coal Spoils by Mixed Woodland: Varteg (Wales), 10 Year Results oleh Martin Haigh, Heather Reed, Margaret D’Aucourt, Chris Bull, Mike Cullis, Frances Farrugia, Allison Flege, Svetla Gentcheva-Kostadinova, Liz Hatton, Josef Křeček, Keith Plamping, Susan Powell, Willemina Panhuis, Ben Sansom, Sharon Sawyer, Gillian Wilding, Patricia Woodruffe, Elena Zheleva