TY  - BOOK
AU  - Douglas,D.R.
AU  - Paver,J.J.
TI  - Screening potatoes for field resistance to early blight
UR  - https://drive.google.com/file/d/1hNbrmoQo86uV2ZdkiCTTA2kUSJB6FlQp/view?usp=drivesdk
ER  -