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148939554
TxAuBib
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43282
Project Gutenberg
PGUSA
eng
TxAuBib
Scientific American, Vol. XXXIX.No. 6. [New Series.], August 10, 1878
[Gutenberg] /
Various.
Project Gutenberg,
2013.
Freely available.
Electronic text.
http://www.gutenberg.org/ebooks/43282
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