Resource: https://pure.mpg.de/cone/jel/resource/L72
- http://purl.org/dc/elements/1.1/relation:
https://pure.mpg.de/cone/jel/resource/L7
- http://purl.org/dc/elements/1.1/identifier:
L72
- http://purl.org/dc/elements/1.1/title:
Mining, Extraction, and Refining: Other Nonrenewable Resources