TY  - BOOK
AU  - 
AU  - 
TI  - Plant structure and development
U1  - 581.4 
PY  - 1969///
CY  - London
PB  - Macmillan
KW  - Plant physiology
KW  - Botany
KW  - Biology
N1  -  Conference: O'Brien,T P ^a
ER  -