TY  - GEN
AU  - Tarr, S. A. J.
TI  - Principlels of plant pathology
SN  - 0-333-05297-8 :
U1  - 581.2 
PY  - 1972///
CY  - London
PB  - Macmillan
KW  - PLANT PATHOLOGY
N1  - Includes references and index
ER  -