1. Academy of Natural Sciences of Philadelphia (ANSP). 1990.Immediate and persistent eVects of Bti on the aquatic food web of warm water fisheries environments in central Pennsylvania, Report No. 90-12F to Black Fly Suppression Program 242Harrisburg, PA, USA: Division of Facilities Sanitation, Department of Environmental Resources.
2. Academy of Natural Sciences of Philadelphia (ANSP). 1991.Immediate and persistent eVects of Bti on the aquatic food web of warm water fisheries environments in central Pennsylvania, Report No. 91-28 to Black Fly Suppression Program 138Harrisburg, PA, USA: Division of Facilities Sanitation, Department of Environmental Resources.
3. Bacillus thuringiensis serovar. israelensis (ABG-6108) against chironomids and some nontarget aquatic invertebrates