Computers & Mathematics with Applications
Computers and Mathematics with Applications > 1999 > 37 > 1 > 111-124
Computers and Mathematics with Applications > 1999 > 37 > 4-5 > 151-162
Computers and Mathematics with Applications > 1999 > 37 > 1 > 111-124
Computers and Mathematics with Applications > 1999 > 37 > 4-5 > 151-162