1. Standard Guide for Sampling Waste Piles, D6009-12;ASTM,2012
2. Standard Test Method for pH of Soils;ASTM,2013
3. Cornish Mining World Heritage Site Bid: Economic Impact Assessment Final Report;Atlantic Consultants,2003
4. Identity and community—Reflections on the development of mining heritage tourism in Southern Spain;Ballesteros;Tourism Manag.,2007
5. The lead legacy;Barnatt,2004