1.http://en.wikipedia.org/wiki/Environmental_quality

2.http://www.uwstout.edu/programs/bsp/index.cfm

3.http://www.uwstout.edu/programs/bsp/index.cfm

4. www.appletonideas.com  

 5.www.appletoncoated.com/ac/ci.htm  

 6.www.bc.com  

   7.www.caraustar.com  

8. www.cascades.com  

 9. www.cbccoating.com  

10. www.domtar.com  

11. www.dura-fibre.com  

12.www.exopack.com  

 13.www.foxriverfiber.com
 

14.www.whitingpaper.com

15.http://www.rit.edu/cast/mmetps/