TY  - BOOK
AU  - Maarel,E.van der
AU  - Werger,Marinus J.A.
TI  - Plant species and plant communities: proceedings of the International Symposium held at Nijmegen November 11-12, 1976, in honour of Professor Dr. Victor Westhoff on the occasion of his sixtieth birthday 
SN  - 9061935911
PY  - 1978///
CY  - The Hague
PB  - W. Junk bv Publishers
KW  - Plant communities
KW  - Congresses
KW  - Plant populations
N1  - Includes bibliographies
ER  -