TY  - GEN
AU  - Hewitt, William B.; Chiarappa, Luigi
TI  - Plant health and quarantine in international transfer of genetic resources
SN  - 0-8493-5413-7
U1  - 631.5 
PY  - 1977///
CY  - Cleveland, Ohio
PB  - CRC Press
KW  - PLANT HEALTH QUARANTINE SEED CROP PROBLEM PATHOLOGY PEST
N2  - Kapitel om bl.a. grapevine and temperate fruits, ornamental buds and corms, potato, seeds
ER  -