TY  - BOOK
AU  -  Smith-Coley,R.J.
TI  -  Persistence and identification of downy mildew pseudoperonospora hum uli (miy. and tak.) wilson in hop rootstocks / 
PY  - 0000/// [n.d.]
CY  -  Ashford, Kent  : 
PB  -  Wye College, 
KW  -  Downy mildew diseases
KW  -  Hops
N1  -  Includes bibliographical references: p. 132
ER  -