| 
Citations
 | 
   web
Ziemkiewicz, P., Skousen, J., & Simmons, J. (2001). Cost benefit analysis of passive treatment systems.
toggle visibility
Ziemkiewicz, P. F., Skousen, J. G., Skousen, J. G., & Ziemkiewicz, P. F. (1996). Prevention of acid mine drainage by alkaline addition. In Acid mine drainage control and treatment. Morgantown: West Virginia University and the National Mine Land Reclamation Center.
toggle visibility