233957 Ortigao, J. A. R. (1995). Soil mechanics in the light of critical state theories: An introduction. Rotterdam : AA Balkema.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र233957 Ortigao, J. A. R. Soil Mechanics in the Light of Critical State Theories: An Introduction. Rotterdam : AA Balkema, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्र233957 Ortigao, J. A. R. Soil Mechanics in the Light of Critical State Theories: An Introduction. Rotterdam : AA Balkema, 1995.
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