Hyndmann, Donald W.
Petrology of igneous and metamorphic rocks
McGraw-Hill, 1985
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Johannsen, Albert
A Descriptive petrography of the igneous rocks : The intermediate rocks; Vol. III
University of Chicago Press, 1937
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Johannsen, Albert
A Descriptive petrography of the igneous rocks: The feldspathoid rocks; Vol. IV
University of Chicago Press, 1938
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Goodman, Richard E.
Introduction to rock mechanics
John Wiley & Sons, 1980
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Holtz, Robert D.
An Introduction to geotechnical engineering
Prentice-Hall, 1981
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