TY  - BOOK
AU  - Wilby,C.B.
TI  - Prestressed concrete beams : : design and logical analysis
SN  - 0444200371
AV  - TA683.9.W56 
PY  - 1969///
CY  - Amsterdam
PB  - Elsevier Publishing Company
KW  - Prestressed concrete beams
N1  - Includes bibliographical references
ER  -