TY  - BOOK
AU  - Gilbert H. Ahlgren
AU  -  Glenn C. Klingman  Dale E. Wolf
TI  - Principles of Weed Control
U1  - 632.58 
PY  - 1951///
CY  - New York
PB  - John Wiley and Sons Inc.
N1  - Gilbert H. Ahlgren; Glenn C. Klingman & Dale E. Wolf: Principles of Weed Control.  New York.  John Wiley and Sons Inc.,, 1951.--(632.58AHL)
ER  -