ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The samples (about fifty) reported here were all altered in some way. To eliminate or minimize the effect of alteration, the following procedure was adopted: we analysed calcium and magnesium carbonates, and recalculated, after excluding the carbonate portion, each bulk chemical composition to 100 ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/2271338a0
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