TY  - BOOK
ED  - National Weeds Conference of South Africa (4th : 1981 : Pretoria,South Africa).
ED  - Van de Venter, H.A.
ED  - Mason, M.
TI  - Proceedings of the fourth National Weeds Conference of South Africa
SN  - 0869611399
PY  - 1982///
CY  - Cape Town
PB  - A. A. Balkema
KW  - Weeds
KW  - Africa,Southern
KW  - Congresses
KW  - Weed control
ER  -