TY  - JA
AU  - Kahn,R.P.
TI  - A concept of [plant] pest risk analysis
U1  - 79-431521 
PY  - 1979///
KW  - Legislation
KW  - Protection of plants and stored products
N1  - Graphs, illus., 1 table. Summary (En)
T2  - EPPO Bulletin
ER  -