TY  - BOOK
AU  - "Tourroun,T.A., Bega,R.V. & Nelron, P.E., Ed."
TI  - International Symposium on factors determining the behaviour of plant pathogens in soil : Proceedings of Root diseases and soil-borne pathogens
U1  - "632.4:581.43:631.46""1968""(082.2)   L0" 
PY  - 0000///London
CY  - 1970
PB  - California press 
ER  -