AU  - Preece,John E.
AU  - Read,Paul E.
TI  - Biology of horticulture an introductory text book / 
SN  - 0471059897
U1  - 635 
PY  - 1993///
CY  - New York : 
PB  - John Wiley & Sons , 
KW  - Horticulture
KW  - Botany
ER  -