TY  - BOOK
AU  - Hebblethwaite P D Ed.
TI  - Seed production
T2  - Easter schools in agricultural science; 27
U1  - J38:3:7z7, M0 
PY  - 1980///
CY  - London
PB  - Butterworths         
KW  -  Seed
KW  - Agriculture
ER  -