TY  - BOOK
AU  - Cook,O.F.
TI  - Relation of drought to weevil resistance in cotton
T2  - United States. Dept. of Agriculture. Bureau of Plant Industry. Bulletin
AV  - QK1 .U45 no. 220
PY  - 1911///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Boll weevil
KW  - Droughts
ER  -