ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Lead glass beads of 0.87-0.91 mm diameter and composition by weight 58.6 per cent silica, 24.2 per cent lead mono-oxide, 0.7 per cent barium oxide, 1.9 per cent calcium oxide, 4.5 per cent sodium oxide, 9.4 per cent potassium oxide, and 0.6 per cent alumina and ferric oxide, varied in appearance ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/215325a0
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