TY  - BOOK
AU  - De Vries,Hugo
TI  - The mutation theory
U1  - 575.016 5 DEV  
PY  - 1910///.
CY  - London : 
PB  - Kegan Paul, Trench, Trubner and Company Ltd., 
KW  - Genetics
KW  - Mutation
N1  - V.1-The origin of species by mutation
ER  -