Ritter A. Elementarnaya teoriya i raschet zheleznykh stropilnykh i mostovykh ferm./Ritter A. Elementary theory and calculation of iron rafters and bridge trusses. In Russian - landofmagazines.com

TransliterationRitter A. Elementarnaya teoriya i raschet zheleznykh stropilnykh i mostovykh ferm.

In EnglishRitter A. Elementary theory and calculation of iron rafters and bridge trusses. In Russian

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