Published in Bulletin of the Natural History Museum. Geology series., in 1997, in volume 53, pages 3-9

Published in Bulletin of the Natural History Museum. Geology series., in 1997, in volume 53, pages 71-78

Published in Bulletin of the Natural History Museum. Geology series., in 1997, in volume 53, pages 79-115

Published in Bulletin of the Natural History Museum. Geology series., in 1997, in volume 53, pages 117-134

Published in Bulletin of the Natural History Museum. Geology series., in 1997, in volume 53, pages 135-138

Published in Bull. nat. Hist. Mus. Lond. (Geol.), in 1997, in volume 53, issue 1, pages 11-70