(Q2158896)
Statements
15 May 1949
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How volcanoes work. (English)
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Identifiers
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0000-0001-7173-2899.xml
10 January 2021
Sitelinks
Wikipedia(8 entries)
- arwiki روبرت ستيفن جون سباركس
- azbwiki رابرت استفان جان اسپارک
- dewiki Robert Stephen John Sparks
- enwiki Robert Stephen John Sparks
- frwiki Robert Stephen John Sparks
- jawiki スティーヴン・スパークス
- ptwiki Robert Stephen John Sparks
- ruwiki Спаркс, Стивен