Читать книгу Sewerage and Sewage Treatment - Harold E. Babbitt - Страница 16
Оглавление3. Circular Concrete Section in Soft and Hard Ground, Eng. Record, Vol. 59, p. 570.
4. Semi-Elliptical Section, Louisville, Ky., Eng. News, Vol. 62, p. 416.
3. Circular Concrete Section in Soft and Hard Ground, Eng. Record, Vol. 59, p. 570.
4. Semi-Elliptical Section, Louisville, Ky., Eng. News, Vol. 62, p. 416.
