Distribution and conservation of Rubus dasycoccus, thick-berried bramble /
Randall, R. D.
Rich, T. C. G.(Timothy C. G.)
National Museums & Galleries of Wales.
Countryside Council for Wales.
Cardiff : [National Museums & Galleries of Wales],
1999.
Published in association with the Countryside Council for Wales.
Includes bibliography (p.21).
Rubus.