| Publisher. Info.
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St. Petersburg: Bessel, n.d. Plates 7419-7422.
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| Copyright
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| Misc. Notes
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Nos.3 and 4 are in reverse order.This item, which is in the public domain in its country of origin, is likewise in the public domain in countries which apply the rule of the shorter term. All EU countries apply the rule of the shorter term in general.
Note that in some cases this rule may be overridden by a treaty with the source country (especially the United States) and/or may not apply to works which fell into the public domain in their source country due to a failure to renew copyright or comply with other formalities.
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| Purchase
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