TY  - BOOK
AU  - Parker, Harry
TI  - SIMPLIFIED DESIGN OF ROOF TRUSSES FOR ARCHITECTS AND BUILDERS
U1  - 624.9 
PY  - 1953///
CY  - N. Y.
PB  - Wiley
KW  - Trusses
KW  - Roofs
KW  - Strains And Stresses
ER  -