Title of article :
Biodiversity challenge: An agenda for conservation action in the UK (2nd edition) : G Wynne, M Avery, L Campbell, S Gubbay, S Hawkswell T Juniper, M King, P Newbery, J Smart, C Steel, T Stones, A Stubbs, J Taylor, C Tydeman and R Wynde RSPB, Sandy, 1995,
