TY  - BOOK
AU  - Hebblethwaite,P.D.
TI  - Seed production
SN  - 0408106212
U1  - 631.521 
PY  - 1980///
CY  - London
PB  - Butterworths, 
KW  - SEMILLAS
KW  - PRODUCCION
N1  - Easter School in Agricultural Science, 28th, University of Nottingham, 1978
ER  -