TY  - BOOK
AU  - Holden,J.H.W.
AU  - Williams,John Trevor
TI  - Crop genetic resources: conservation and evaluation
U1  - 631.5 
PY  - 1984///
CY  - London
PB  - Allen & Unwin
KW  - Germplasm resources, Plant
KW  - Preservation
ER  -