1. Results from Australia;Barton,1983
2. Holocene plant microfossils from Vestspitsbergen, Norway;Birks,1991
3. Post-glacial sediments in Lake Linnévatn, Spitsbergen;Bøyum;Arch. Hydrobiol.,1980
4. Methods in Rock Magnetism and Palaeomagnetism;Collinson,1983
5. Secular variation as recorded in lake sediments: a discussion of North American and European results;Creer;Philos. Trans. R. Soc. London Ser. A,1982