1. Guidelines for using recycled tire carcasses in highway maintenance;California Department of Transportation,1987
2. Statewide market study for used tires;Michigan DNR;Report prepared by Resource Conservation Consultants,1987
3. Studies of Aedes Triseriatus - The La Cross Virus Carrier;Thompson;Wisconsin Academy Review,1984
4. Used tire recovery and disposal in Ohio;Ohio EPA;Report prepared by Burges & Niple Ltd and Waste Recovery Inc.,1987