APA (7th ed.) Citation

Al-Sayed, A. H., & unknown. (1979). Effect of the rigidity of columns and the dimensional changes in beams on post-tensioning forces.

Chicago Style (17th ed.) Citation

Al-Sayed, Ahmed Helmi, and unknown. Effect of the Rigidity of Columns and the Dimensional Changes in Beams on Post-tensioning Forces. 1979.

MLA (9th ed.) Citation

Al-Sayed, Ahmed Helmi, and unknown. Effect of the Rigidity of Columns and the Dimensional Changes in Beams on Post-tensioning Forces. 1979.

Warning: These citations may not always be 100% accurate.