Applied Mathematical Modelling
Applied Mathematical Modelling > 2013 > 37 > 6 > 3968-3981
Applied Mathematical Modelling > 2013 > 37 > 8 > 6037-6054
Applied Mathematical Modelling > 2013 > 37 > 6 > 3968-3981
Applied Mathematical Modelling > 2013 > 37 > 8 > 6037-6054