TY  - BOOK
AU  - United States Department Of Agriculture
TI  - Plant diseases the yearbook of agriculture
U1  - 581.2 
PY  - 1953///
CY  - Washington
PB  - United State Government Printing Office
KW  - Botany
KW  - Botany -- Plants
N1  - Plant diseases, Agriculture, Plant pathology, Crop protection, Phytopathology, Yearbook
ER  -