TY  - BOOK
AU  - Heywood,V.H.
ED  - Systematics Association.
TI  - Taxonomy and ecology: Proceedings of an International Symposium held at the Department of Botany, University of Readings 
T2  - Systematics Association.
SN  - 0123469600
U1  - 581.012 
PY  - 1973///
CY  - London ; New York
PB  - Systematics Association by Academic Press, 
KW  - BOTANICA
KW  - CONGRESOS, CONFERENCIAS, ETC
KW  - CLASIFICACION
KW  - ECOLOGIA VEGETAL
ER  -