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  1. By: Harrison, Colin James Oliver - Walker, Cyril Alexander
    Type: Article
    In: Bulletin of the British Museum (Natural History) Geology
    Volume: 21
    Date: 1972
    Page Range: 153--169
    Publication Info: London, BM(NH),
  2. By: Harrison, Colin James Oliver - Walker, Cyril Alexander
    Type: Article
    In: Bulletin of the British Museum (Natural History) Geology
    Volume: 27
    Issue: 4
    Date: 1976-10-28
    Page Range: 305--314
    Publication Info: London, BM(NH),
  3. By: Harrison, Colin James Oliver - Walker, Cyril Alexander
    Type: Article
    In: Bulletin of the British Museum (Natural History) Geology
    Volume: 27
    Issue: 4
    Date: 1976-10-28
    Page Range: 315--320
    Publication Info: London, BM(NH),
  4. By: Harrison, Colin James Oliver - Walker, Cyril Alexander
    Type: Article
    In: Bulletin of the British Museum (Natural History) Geology
    Volume: 27
    Date: 1976
    Page Range: 3--29
    Publication Info: London, BM(NH),
  5. By: Walker, Cyril Alexander - Moody, Richard T J
    Type: Article
    In: Bulletin of the British Museum (Natural History) Geology
    Volume: 38
    Date: 1985
    Page Range: 373--380
    Publication Info: London, BM(NH),