1. On partitions of permutations into increasing and decreasing subsequences;Brandstädt;J. Inform. Process. Cybernet.,1986
2. Sorting, trees, and measures of order;Burge;Inform. and Control,1958
3. Sublinear merging and Natural Mergesort;Carlsson;Algorithmica,1993
4. Best sorting algorithms for nearly sorted lists;Cook;Comm. ACM,1980
5. Spearman's footrule as a measure of disarray;Diaconis;J. Roy. Statist. Soc. Ser. B,1977