TY  - REP
AU  - Ellingboe,A.H.
TI  - Evidence from the quadratic check [Plant pathology, inheritance, host, parasite]
U1  - 83-902534 
PY  - 1981///
KW  - Plant diseases
KW  - AGROVOC
KW  - Plant breeding
N1  - Includes 9 ref
ER  -