TY  - BOOK
AU  - MAAREL,  Eddy Van der
AU  - WERGER, Marinus J A
TI  - Plant species and plant communities: Proceedings
U1  - 582+581.5(06) 
PY  - 1978///
CY  - Hague
PB  - Dr W Junk
KW  - Plant community
ER  -