Advanced Search

Browse by Discipline

Scientific Societies

E-print Alerts

Add E-prints

E-print Network

  Advanced Search  

letters to nature NATURE |VOL 406 |31 AUGUST 2000 |www.nature.com 985

Summary: letters to nature
NATURE |VOL 406 |31 AUGUST 2000 |www.nature.com 985
22. Tyson, R. V. & Pearson, T. H. in Modern and Ancient Continental Shelf Anoxia (eds Tyson, R. V. &
Pearson, T. H.) 1±24 (Special Publication 58, Geological Society of London, 1991).
23. Calvert, S. E. & Pedersen, T. F. in Organic Matter: Productivity, Accumulation and Preservation in
Recent and Ancient Sediments (eds Whelan, J. K. & Farrington, J. W.) 231±263 (Columbia University
Press, New York, 1992).
24. Kepferle, R. C. in Petroleum Geology of the Devonian and Mississippian Black Shale of Eastern North
America (eds Roen, J. B. & Kepferle, R. C.), USGS Bull. 1909, F1±F23 (1993).
25. Round, F. E., Crawford, R. M. & Mann, D. G. The Diatoms: Biology and Morphology of the Genera
(Cambridge Univ. Press, Cambridge, 1990).
26. Maliva, R. G., Knoll, A. H. & Siever, R. Secular change in chert distribution; a reŻection of evolving
biological participation in the silica cycle. Palaios 4, 519±532 (1989).
27. Ettensohn, F. R. in Shales and Mudstones Vol. 1 (eds Schieber, J., Zimmerle, W. & Sethi, P.) 109±128
(Schweizerbart, Stuttgart, 1998).
28. O'Brien, N. R. & Slatt, R. M. Argillaceous Rock Atlas (Springer, New York, 1990).
29. Hathon, C., Sibley, D. & Cambray, F. W. The Origin of the Quartz in Antrim Shale (Report FE-2346-61,
US Department of Energy, 1980).
30. Hallam, A. Phanerozoic Sea-Level Changes (Columbia Univ. Press, New York, 1992).


Source: Agrell, Jep - Department of Ecology, Lunds Universitet
Svensson, Erik - Department of Ecology, Lunds Universitet


Collections: Environmental Sciences and Ecology