"krishna, jai . "
plain and reinforced concrete: / jai.. krishna - 7 ed. - india : nem chad 1971. - "xii, 640p.; 21 cm."
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693. 54 kri
plain and reinforced concrete: / jai.. krishna - 7 ed. - india : nem chad 1971. - "xii, 640p.; 21 cm."
--
693. 54 kri