TY  - BOOK
AU  - Holton, C.S.
TI  - Studies in the Genetics and the Cytology of ustilago avenae and Ustilago levis  
U1  - 575 21st ed.
PY  - 1932///
CY  - ST. Paul
PB  - University of Minnesota Agricultural Experiment Station 
KW  - Genetics, Hybridization, Segregation, Mutation, Cytology
N1  - Technical Bulletin 87
ER  -