Quizá quiso decir: Advances in Soft Computing, 1615-3871 ; 33 Lecture Notes in Computer Science, 0302-9743 ; 3870 Advances in Soft Computing, 1615-3871 ; 34 Lecture Notes in Computer Science, 0302-9743 ; 3872 Lecture Notes in Computer Science, 0302-9743 ; 3877 Lecture Notes in Computer Science, 0302-9743 ; 3874 Lecture Notes in Computer Science, 0302-9743 ; 3878 Lecture Notes in Computer Science, 0302-9743 ; 3879 Advances in Soft Computing, 1615-3871 ; 27 Advances in Soft Computing, 1615-3871 ; 28 Advances in Soft Computing, 1615-3871 ; 30 Advances in Soft Computing, 1615-3871 ; 29 Advances in Soft Computing, 1615-3871 ; 31 Advances in Soft Computing, 1615-3871 ; 32 Lecture Notes in Computer Science, 0302-9743 ; 3873 Lecture Notes in Computer Science, 0302-9743 ; 3875 Lecture Notes in Computer Science, 0302-9743 ; 3876 Advances in Soft Computing, 1615-3871 ; 35 Lecture Notes in Computer Science, 0302-9743 ; 3871 Advances in Soft Computing, 1615-3871 ; 37