TY  - BOOK
AU  - Heywood,V.H.
ED  - Conference on modern methods in plant taxonomy (1967 :Sep.11-12 :London)
TI  - Modern methods in plant taxonomy 
U1  - 582 HEY  
PY  - 1968///.
CY  - London : 
PB  - Academic Press, 
KW  - Botany-Classification
ER  -