TY  - BOOK
AU  - Haslam,S.M.
AU  - Wolseley,P.A.
TI  - River plants
SN  - 0521214939 :
U1  - 581.5/2632 
PY  - 1978///
CY  - Cambridge, New York
PB  - Cambridge University Press
KW  - Stream plants
N1  - Includes index
ER  -