John D Helferich

A systems approach to food accident analysis

John D Helferich, 2011 .

A Systems Approach to Food Accident Analysis Sygdem Design and Management Program O---n R (p (i Director, System Design and Management Program

John D Helferich, 2011 .

Towards STAMP based dynamic safety management of eco-socio-technical maritime transport system

John D Helferich, F. Goerlandt, P. Kujala, 2015 .