Brief History of Fracking
Fracking in the Greater Chaco Region: A Brief HistoryПодробнее
Colorado Fracking Geological HistoryПодробнее
Understanding FrackingПодробнее
The History of Fracking in ColoradoПодробнее
The History of FrackingПодробнее
Risks and regulation of fracking: A brief historyПодробнее
Hydraulic Fracturing -The State of the ScienceПодробнее