00521nas a2200169   4500000000100000000000100001008004100002260000900043653001200052653002900064653001300093100001400106245004100120300000900161490000700170520017400177       2003                            d  c200310adefence10aModelling and Simulation10asecurity1 aEditorial00aAdvances in Modelling and Simulation  a5-150 v123 a<p>Editorial article by the I&amp;S Editorial Board, presenting major current challenges and a summary of the contributions this volume makes in providing solutions.</p>