TY  - GEN
AU  - Holden, J.H.W.
AU  - Williams, J.T.
TI  - Crop genetic resources : conservation and evaluation
SN  - 0-04-581018-4
U1  - 631.52 HOL 
CY  - London, George Allen & Unwin Ltd
KW  - Plant genetics/ germplasm resources plant - preservation
ER  -