TY  - BOOK
AU  - Hsu, Thomas T. C.
TI  - Torsion of structural concrete: plain concrete rectangular -sections / by Thomas T. C. Hsu
CY  - Skokie, Illinois : atories, Development Department
N1  - "Authorized reprint from the copyrighted Torsion of Structu-ral Concrete American Concrete Institute Publications SP-18-,203-238 (1968)."
ER  -