The control of aquatic and marginal weeds II :
notes and abstracts from the 8th annual meeting of the Weed Science Society of America /
by Leon D. Johnson.

APA Citation

Johnson, L. D., University of Wisconsin--Madison. Libraries., Wisconsin. Dept. of Natural Resources. (1968). The control of aquatic and marginal weeds II: notes and abstracts from the 8th annual meeting of the Weed Science Society of America. [Madison, Wis.]: Dept. of Natural Resources, Bureau of Research and Planning.

MLA Citation

Johnson, Leon D, University of Wisconsin--Madison. Libraries, and Wisconsin. Dept. of Natural Resources. The Control of Aquatic And Marginal Weeds II: Notes And Abstracts From the 8th Annual Meeting of the Weed Science Society of America. [Madison, Wis.]: Dept. of Natural Resources, Bureau of Research and Planning, 1968.