TY  - BOOK
AU  - Stevens, Neil E.
AU  - Stevens, Russell B.,
TI  - Disease in plants: an introduction to agricultural phytopathology 
AV  - QK45 .M35 vol. 1
U1  - 581.2 
PY  - 1952///
CY  - Waltham, Mass.
PB  - Chronica Botanica Co.
KW  - Plant diseases
N1  - Includes bibliographies
ER  -