P.W., Chan; J. Wurman; C.M. Shun; P. Robinson; K. Kosiba (Mar 2012). "Application of a method for the automatic detection and Ground-Based Velocity Track Display (GBVTD) analysis of a tornado crossing the Hong Kong International Airport". Atmos. Res. 106: 18–29. Bibcode:2012AtmRe.106...18C. doi:10.1016/j.atmosres.2011.10.010.
harvard.edu
ui.adsabs.harvard.edu
P.W., Chan; J. Wurman; C.M. Shun; P. Robinson; K. Kosiba (Mar 2012). "Application of a method for the automatic detection and Ground-Based Velocity Track Display (GBVTD) analysis of a tornado crossing the Hong Kong International Airport". Atmos. Res. 106: 18–29. Bibcode:2012AtmRe.106...18C. doi:10.1016/j.atmosres.2011.10.010.
jvdl.info
"August 7, 2002"(PDF). The Citizen-Journal. Retrieved 14 April 2023.