Resource: https://pure.mpg.de/cone/jel/resource/Q42
http://purl.org/dc/elements/1.1/title
:
Alternative Energy Sources
http://purl.org/dc/elements/1.1/relation
:
https://pure.mpg.de/cone/jel/resource/Q4
http://purl.org/dc/elements/1.1/identifier
:
Q42