TY  - TH
AU  - Borlaug,N.E.
TI  - Red stain of box elder trees
PY  - 1941///
CY  - St. Paul, MN (USA)
PB  - University of Minnesota, 
KW  - Acer negundo
KW  - Fusarium
N1  - Thesis (M. Sc.), illustrations, tables, literature cited p. 31-32
ER  -