TY  - BOOK
AU  - Aldrich, R.J.
AU  - Kremer, R.J
TI  - Principles in weed management
SN  - 0-8138-2023-5
U1  - 632.51 
PY  - 1997///
CY  - Iowa
PB  - Iowa State University press
KW  - Weeds
KW  - Weeds - Control
KW  - Weeds - Ecology
N1  -  Previous ed. : weed-crop ecology
ER  -