Petra Hellegers

发表

Petra Hellegers, Wim G.M. Bastiaanssen, H. C. Jansen, 2012 .

E. C. van Ierland, Petra Hellegers, P. Hellegers, 2002 .

J.W.A. Langeveld, Petra Hellegers, G. W. Meijerink, 2008 .

Petra Hellegers, Charles Rodgers, P. Hellegers, 2005 .

David Zilberman, Deepak Rajagopal, Petra Hellegers, 2008 .

Petra Hellegers, P. Hellegers, 2006 .

Petra Hellegers, Ekko C. van Ierland, P. Hellegers, 2017, Natural Hazards.