Quizá quiso decir: Ensayos ; 338. Synthese Library ; 338 Soil Biology, 1613-3382 ; 3 Soil Biology, 1613-3382 ; 4 Soil Biology, 1613-3382 ; 6 Soil Biology, 1613-3382 ; 5 Soil Biology, 1613-3382 ; 7 Soil Biology, 1613-3382 ; 8 Lecture Notes in Computer Science, 0302-9743 ; 3381 Lecture Notes in Computer Science, 0302-9743 ; 3382 Lecture Notes in Computer Science, 0302-9743 ; 3385 Lecture Notes in Computer Science, 0302-9743 ; 3386 Lecture Notes in Computer Science, 0302-9743 ; 3387 Lecture Notes in Computer Science, 0302-9743 ; 3383 Lecture Notes in Computer Science, 0302-9743 ; 3384 Lecture Notes in Computer Science, 0302-9743 ; 3389 Lecture Notes in Computer Science, 0302-9743 ; 3380 Lecture Notes in Computer Science, 0302-9743 ; 3388 Lecture Notes in Control and Information Science, 0170-8643 ; 338 Soil Biology, 1613-3382 ; 9