Rune Frederiksen, Eric Laufer and Silke Müth, "Source criticism", in: Peter Schneider, Silke Müth, Mike Schnelle and Peter De Staebler (Eds.), Ancient Fortifications: A compendium of theory and practice, Oxford, UK: Oxbow Books, 2016                    
                                                    Published In
                        Peter Schneider, Silke Müth, Mike Schnelle and Peter De Staebler (Eds.), Ancient Fortifications: A compendium of theory and practice, Oxford, UK: Oxbow Books, 2016                    
                                