☆Coal Geology (石炭地質学)/Larry Thomas【著】/石炭地質学の参考書☆ - 地学,COAL GEOLOGY 3E,Coalbed methane gas content and its geological controls: Research based on seismic-geological integrated method - ScienceDirect,Physical, Chemical and Compaction Characteristics of Slightly Weathered Tephras of New Zealand | Geotechnical and Geological Engineering,コラム2 - ニュージーランドの地質