1. Standard Specification for Structural Supports of Highway Signs, Luminaires and Traffic Signals;AASHTO,2001
2. American Forest & Paper Association;AFPA,1972
3. Spiral Wound Paper Pipe;Akashiba,1987
4. Minimum Design Loads for Buildings and Other Structures (ASCE/SEI 7-10);ASCE 7,2013
5. Shigeru Ban Architects – Paper Tube Structures;Anon,2014