TY  - BOOK
AU  - Haslam, S. M.
AU  - Wolseley, P. A. 
TI  - River plants of weatern europe: the macrophytic egtation of watercourses of the European economic community
U1  - 581.526323094 
PY  - 1987///
CY  - Cambridge
PB  - University Press
KW  - Plants
ER  -