TY  - GEN
AU  - Kurjin,H.
AU  - Simeonova, R., ed.
AU  - Popov, B., ed.
TI  - Study on the immunity of farm crops to diseases in the people's Republic of Bulgaria
PY  - 1982///
CY  - Sofia
PB  - Center for Scientific Technical And Economic Information
KW  - Plant Protection
KW  - Immunity
KW  - Diseases
KW  - Crops
ER  -