31st annual international Pittsburgh coal conference : (PCC 2014) : coal--energy, environment and sustainable development : Pittsburgh, Pennsylvania, USA : 6-9 October 2014 : PCC meeting : 2014 IPCC conference : 31st annual international Pittsburgh coal conf. : PCC-2014 : 31st int'l Pittsburgh coal conference : IPCC31 : 31 annual international Pittsburgh coal conference : Oct 2014, Pittsburgh, PA.
資料に関する注記
一般注記:
この資料の詳細や典拠(同じ主題の資料を指すキーワード、著者名)等を確認できます。