ALDRICH, R.J. Weed-Crop ecology: principles in weed Management /[by] R.J.Aldrich - Massachusetts Breton pub. 1984 - xiii, 465 p. Includes appendix, glossary and index. ISBN: 534028330 Subjects--Topical Terms: WeedWeeds-controlWeeds-Ecology Dewey Class. No.: 632.5 / ALD