TY  - BOOK
AU  - Haslam S M
AU  -  Wolseley P A
TI  - Rivers plants of Western Europe: The macrophytic vegetation of water courses of the European economic community
U1  - I9555.5(X), M7 
PY  - 1987///
CY  - Cambridge
PB  - Cambridge University Press       
KW  - Botany
N1  - Bibliography 485-503p
ER  -