TY  - BOOK
AU  - Cronk,Quentin B.C.
TI  - Plant Invaders The Threat to Natural Ecosystems
SN  - 1 85383 781-4
AV  - 631.31/CRO 1
U1  - 631.31/CRO 
PY  - 2001///
CY  - London
PB  - Earthscan Publications Ltd
ER  -