Georg, Angen .
Ten-division influence lines for continuous beams / Textual Documents Georg Angen. - New York : Frederick ungar publishing co , 1956. - 243 ; .
624.171 / GEO/TE
Ten-division influence lines for continuous beams / Textual Documents Georg Angen. - New York : Frederick ungar publishing co , 1956. - 243 ; .
624.171 / GEO/TE