TY  - BOOK
AU  - "Hagedorn, D.J."
TI  - " Virus diseases of pea, pisum satiuum(A.P.S. Monograph no.9)"
U1  - 632.38:633.359   L4 
PY  - 0000///Minesotta
CY  - 1974
PB  - American Phytopathological Soc.
ER  -