M. W. Free
- Evaluation of Site Effects in Hong Kong. Dans: Electronic Journal of Structural Engineering, n. 1 (mars 2008). (2008):
- Seismic Hazard of Hong Kong. Dans: Electronic Journal of Structural Engineering, n. 1 (mars 2008). (2008):
- Surface-Wave Magnitude Calibration for European Region Earthquakes. Dans: Journal of Earthquake Engineering, v. 1, n. 1 ( 1997). (1997):