TY  - BOOK
AU  - Bos,L.
TI  - Symptoms of virus diseases in plants
U1  - 581.234 
PY  - 1963///
CY  - Wageningen
PB  - Institute for Phytopahtological Research
KW  - Plants
KW  - Virus diseases of plants
N1  - "With indexes of names of symptoms in English, Dutch, German, French, Italian, and Spanish"; Bibliography: p. 141-163
ER  -