TY  - JA
AU  - Windels,M.B.
AU  - Chiang,H.C.
AU  - Peterson,R.H.
TI  - Cereal Insects. Improvement of the resistance level of Minnesota field corn to the European corn borer 1 during the last 40 years 2,3
PY  - 1974///
T2  - Proceedings North Central Branch
ER  -