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benjaminv:骗流量啊... 免费的到处是: http://app.knovel.com/web/toc.v/cid:kpPTPMRR01/viewerType:toc/root_slug:petrophysics-theory-practice-2/url_slug:petrophysics-theory-practice-2/? (2014-06-25 00:24)
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