is http://en.wikipedia.org/wiki/Merge_sort#Merge_sorting_tape_drives http://en.wikipedia.org/wiki/Merge_sort#Merge_sorting_tape_d... what you were remembering?

is http://en.wikipedia.org/wiki/Merge_sort#Merge_sorting_tape_drives http://en.wikipedia.org/wiki/Merge_sort#Merge_sorting_tape_d... what you were remembering? that's what immediately sprung to my mind on reading the article, but i don't know if you're expecting something more specific.