TY  - BOOK
AU  - Heald,F.D.
AU  - Wolf,Frederick A.
TI  - A plant-disease survey in the vicinity of San Antonio, Texas
T2  - United States. Dept. of Agriculture. Bureau of Plant Industry. Bulletin
AV  - QK1 .U45 no. 226
PY  - 1912///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Plant diseases
ER  -