1. Macaudailytimes. MGM spectacle roof; 2018. https://macaudailytimescommo/preview-mgm-cotai-opens-today-sensory-trio-food-art-entertainmenthtml.
2. The elastic buckling of tapered beam-columns;Butler;Weld J,1963
3. Elastic buckling tests on laterally and torsionally braced tapered I-beams;Butler;DTIC Doc,1965
4. Bending and buckling strength of tapered structural members;Prawel;Weld J,1974
5. Tests on tapered steel columns;Salter;Struct Eng,1980