Applied Mathematical Modelling
Applied Mathematical Modelling > 2010 > 34 > 4 > 866-877
Applied Mathematical Modelling > 2010 > 34 > 9 > 2546-2561
Applied Mathematical Modelling > 2010 > 34 > 4 > 866-877
Applied Mathematical Modelling > 2010 > 34 > 9 > 2546-2561