TY  - BOOK
AU  - Hawksworth,D.L., x
AU  - x
TI  - The changing flora and fauna of Britain: x
SN  - x
U1  - 581.942/HAC 
PY  - 1974///
CY  - Lond.
PB  - Academic  Press
KW  - Botany - Britain
N1  - x
ER  -