Bell, J. C. (1970). A complete analysis for reinforced concrete slabs and shells.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBell, John C. A Complete Analysis for Reinforced Concrete Slabs and Shells. 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBell, John C. A Complete Analysis for Reinforced Concrete Slabs and Shells. 1970.
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