TY  - BOOK
AU  - Kommedahl,Thor
AU  - Williams,Paul H.
ED  - American Phytopathological Society.
TI  - Challenging problems in plant health
SN  - 0890540578
AV  - SB731 .C417 1983
U1  - 632 KPM 22
PY  - 1983///
CY  - St. Paul, Minn.
PB  - American Phytopathological Society
KW  - American Phytopathological Society
KW  - Plant diseases
KW  - Plants, Protection of
KW  - Plant health
KW  - Agriculture
N1  - Includes bibliographies and index
ER  -