TY  - GEN
AU  - Santathadaporn, S.
AU  - Cusens, A.R.
TI  - Charts for the design of helical stasirs with fsixedmsupports
PY  - 1966///
KW  - STAIRCASES-DESIGN
KW  - STAIRCASES-PARTS
KW  - HELICAL STAIRCASES
N1  - Obtain via University of Colombo PERI Programme
ER  -