TY  - BOOK
AU  - Street, H E  .
AU  - Opic,Helgi  .
TI  - Physiology of flowering plants / 
SN  - 0-7131-2907-7
U1  - 635.9 
PY  - 1983///
CY  -  : 
PB  - ELBS , 
ER  -