TY  - BOOK
AU  - Holzner, W..
TI  - Geobotany 2: biology and Ecology of Weeds / 
U1  - I:5 
PY  - 1998///
CY  - The Hague : 
PB  - Dr.W. Junk Publishers , 
KW  - Botany <Ecology>
ER  -