TY  - BOOK
AU  - Hagberg Arne
AU  -  Akerberg Erik
TI  - Mutations and polyploidy in plants breeding
U1  - I:63, K2;1 
PY  - 1962///
CY  - London
PB  - Heinemann         
KW  -  Plant genetics
KW  - Botany
ER  -