TY  - BOOK
AU  - Pieterse, A. H.
AU  - Pieterse,A.H.
AU  - Murphy,K.J.
TI  - Aquatic weeds
SN  - 0198541813
U1  - 628.97 
PY  - 1990///
CY  - Oxford [England], New York
PB  - Oxford University Press
KW  - Aquatic weeds
UR  - http://www.loc.gov/catdir/enhancements/fy0635/89003146-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0635/89003146-t.html
ER  -