Levant, Ezra creator text onc Toronto, Ontario Signal 2014 2013 monographic eng

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260 p. ; 23 cm Ezra Levant Hydraulic fracturing Gas well drilling Shale gas Shale oils Gas well drilling Hydraulic fracturing Shale gas Shale oils 622.3381 LEV-G 9780771046445 140612 20170909101732.0 18185901