TY  - BOOK
AU  -  T.Lawrence, J.Toll and D.H.Van Sioton.
TI  - Directory of germplasm collections, 2. root and tuber crops
U1  - 631.526.4:058.7  M6 
PY  - 1986///
CY  - Rome
KW  - Lawrence, T.
KW  - Breeding,Genetics
ER  -