Lew, T. (1976). Deep-underground, lined, horizontal, circular openings in rock. Civil Engineering Laboratory.
Cita Chicago Style (17a ed.)Lew, T.K. Deep-underground, Lined, Horizontal, Circular Openings in Rock. Port Hueneme, Calif.: Civil Engineering Laboratory, 1976.
Cita MLA (8a ed.)Lew, T.K. Deep-underground, Lined, Horizontal, Circular Openings in Rock. Civil Engineering Laboratory, 1976.
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