Stagg, M. S., & Engler, A. J. (1980). Measurement of blast-induced ground vibrations and seismograph calibration. U.S. Dept. of the Interior, Bureau of Mines.
Lua i Stíl Chicago (17ú heag.)Stagg, Mark S., agus Alvin J. Engler. Measurement of Blast-induced Ground Vibrations and Seismograph Calibration. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1980.
Lua MLA (9ú heag.)Stagg, Mark S., agus Alvin J. Engler. Measurement of Blast-induced Ground Vibrations and Seismograph Calibration. U.S. Dept. of the Interior, Bureau of Mines, 1980.
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