(1973). Symposium on Behaviour of Earth and Earth Structures, University of Roorkee, 1973. Sarita.
シカゴスタイル引用形Symposium on Behaviour of Earth and Earth Structures, University of Roorkee, 1973. Meerut: Sarita, 1973.
MLA引用形式Symposium on Behaviour of Earth and Earth Structures, University of Roorkee, 1973. Sarita, 1973.
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