Proceedings of the second International Symposium on Biological Control of Weeds
DUNN, Paul H
Proceedings of the second International Symposium on Biological Control of Weeds - Farnham Royal, U. K. 1973 - 225p - Commonwealth Institute of Biological Control, miscellaneous .
WEED CONTROL -- BIOLOGICAL CONTROL
WEED CONTROL -- BIOLOGICAL CONTROL
632.58 I-5P
Proceedings of the second International Symposium on Biological Control of Weeds - Farnham Royal, U. K. 1973 - 225p - Commonwealth Institute of Biological Control, miscellaneous .
WEED CONTROL -- BIOLOGICAL CONTROL
WEED CONTROL -- BIOLOGICAL CONTROL
632.58 I-5P