Holtz, R. D. (1989). Treatment of problem foundations for highway embankments. Transportation Research Board, National Research Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoltz, R. D. Treatment of Problem Foundations for Highway Embankments. Washington, D.C. (2101 Constitution Ave. N.W., Washington 20418): Transportation Research Board, National Research Council, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHoltz, R. D. Treatment of Problem Foundations for Highway Embankments. Transportation Research Board, National Research Council, 1989.
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