TY  - BOOK
AU  - Cook r. james
TI  - The nature and practice of biological control of plant pathogens
SN  - 0-89054-053-5
AV  - 632.96/COO 
U1  - 632.96/COO 
PY  - 1983///
CY  - St. paul. minnesota 
PB  - Aps press
ER  -