Schnaid, F., & Houlsby, G. (1990). CALIBRATION CHAMBER TESTS OF THE CONE-PRESSUREMETER IN SAND. Thomas Telford.
Lua i Stíl Chicago (17ú heag.)Schnaid, F., agus G. Houlsby. CALIBRATION CHAMBER TESTS OF THE CONE-PRESSUREMETER IN SAND. Thomas Telford, 1990.
Lua MLA (9ú heag.)Schnaid, F., agus G. Houlsby. CALIBRATION CHAMBER TESTS OF THE CONE-PRESSUREMETER IN SAND. Thomas Telford, 1990.
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