TY  - BOOK
AU  - Robert P. Kahn
TI  - Plant protection and quarantine. Vol 1, Biological concepts 
U1  - 632.93 
PY  - 1989///
CY  - Boca Raton
PB  - C R S Press , Inc
N1  - Robert P. Kahn: Plant protection and quarantine. Vol 1, Biological concepts.  Boca Raton.  C R S Press , Inc, 1989.--(632.93KAH)
ER  -