Reference:
 - Author: Nikolas Askitis and Ranjan Sinha
   Title: >
    HAT-Trie: A Cache-Conscious Trie-Based Data Structure For Strings.
   Journal: >
    Proceedings of the thirtieth Australasian conference on Computer science
   Year: 2007
   Volume: 62
   Pages: 97–105
   URL: "https://www.researchgate.net/publication/\
    221574021_HAT-Trie_A_Cache-Conscious_Trie-Based_Data_Structure_For_Strings"
   ePrint: "https://www.researchgate.net/profile/Ranjan_Sinha2/publication/\
    221574021_HAT-Trie_A_Cache-Conscious_Trie-Based_Data_Structure_For_Strings/\
    links/5418df8e0cf25ebee9882739.pdf"
 - Author: Nikolas Askitis and Justin Zobel
   Title: Cache-Conscious Collision Resolution in String Hash Tables
   Journal: >
    Proceedings of String Processing and Information Retrieval, 12th
    International Conference, SPIRE 2005
   Year: 2005
   Pages: 91–102
   DOI: 10.1007/11575832_11
   URL: "https://www.researchgate.net/publication/\
    221580123_Cache-Conscious_Collision_Resolution_in_String_Hash_Tables"
