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3- 참고문헌
- 위키피디아, 2010, Geothermal gradient.
http://en.wikipedia.org/wiki/Geothermal_gradient.
- AAF-McQuay, 1999, Geothermal Heat Pumps: The Natural Choice for
Building Comfort. McQuay, A/SP 31-120-1, Auburn, 8 p.
- Gutenberg, B. and Richter, C.F. (1954) Seismicity of the Earth and
Associated Phenomena, 2nd ed. Princeton, N.J.: Princeton University Press.
- Hanks, T.C. and Kanamori, H. (1979). Moment magnitude scale. Journal of Geophysical Research 84 (B5):
- Kanamori, H. (1978) Quantification of Earthquakes, Nature 271, 411-414.
- Turcotte, D. L.; Schubert, G. (2002). "4". Geodynamics (2 ed.). Cambridge,
England, UK: Cambridge University Press. pp. 137. ISBN 978-0-521-66624-4.
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