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1 heading found for Ian Gordon Speden

  Heading Type Sample Title
1 Speden, Ian Gordon, 1932-.... ‎ ISNI Sudoc [ABES], France
Speden, I. G. (Ian Gordon), 1932- ‎ Library of Congress/NACO
Speden, I.G. ‎ BIBSYS
Speden, Ian G. (Ian Gordon), 1932- ‎ National Library of Australia
Personal 1:250 000 geological map.
The early Cretaceous (Albian) sequence of eastern Wairarapa, New Zealand
The type Fox Hills Formation, Cretaceous (Maestrichtian), South Dakota.