The Macmillan guide to Britain's nature reserves
1984
Hywel-Davies, Jeremy |
Thom, Valerie |
United Kingdom, Wales
Geological conservation review : quaternary of Wales
1989
Campbell, S. |
Bowen, D. Q. |
Forest quality in the Dyfi valley : rapid assessment on a landscape scale and development of a vision of forests in the catchment
2000
Dudley, Nigel |
Stolton, Sue |
A preliminary forest quality assessment of the Dyfi catchment Wales
1999
Dudley, Nigel |
Stolton, Sue |
Ashby of Llanwrin, Martin |