Walker, C. R., Burress, R. M., and Gilderhus, P. A., 1982, Plastic enclosures and containers for evaluating the efficacy and safety of pesticides in aquatic environments, Schafer, E. W. Jr., and Walker, C. R., eds., Vertebrate pest control and management materials: third conference: Philadelphia, American Society for Testing Materials, p. 149-160. Abstract: Keywords: