TY  - JA
AU  - Hehn,E.R.
AU  - Grafius,J.E.
TI  - Resistance of spring wheat varieties to grasshopper attack
SN  - 1435-0645
PY  - 1949///
N1  - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0002-1962
T2  - Agronomy Journal
ER  -