1. Estimated crop losses due to weeds with nonchemical management;Abernathy,1981
2. Herbicide Handbook;Ahrens,1994
3. Plant growth regulators as selective herbicides;Akamine;Hawaii Agric. Exp. Stn.Circ.,1948
4. Development of the American herbicide industry. (Chapter 3);Alder,1977
5. Herbicide Handbook;Anonymous,1967