"roberts, n p. "
worked examples in the theory of structures: / n.p. roberts - 1 ed. - uk : macdonald 1965. - ", 172p.; 22 cm."
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624. 17 rob
worked examples in the theory of structures: / n.p. roberts - 1 ed. - uk : macdonald 1965. - ", 172p.; 22 cm."
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624. 17 rob