TY  - BOOK
AU  - Hewitt, William B., ed.
TI  - Plant health and quarantine in international transfer of genetic resources
U1  - 632.93:575(082.2) L7 
PY  - 1977///
CY  - Ohio
PB  - CRC Press
KW  - Chiarappa  Luigi 
KW  - Edited  William B.Hewitt and Luigi Chiarappa.
KW  - Genetic resources,Quarantine
ER  -