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https://www.aanda.org/articles/aa/abs/2009/39/aa12332-09/aa12332-09.html Post-AGB stars with hot circumstellar dust: binarity of the low-amplitude pulsators | Astronomy &... the low post agb stars hot https://www.vuxen.fi/seksilelut/naisille/vibraattorit/g-pistevibraattorit/funfactory-stronic-g-thrusting-pulsators Stronic G Thrusting Pulsators - Tilaa huomaamattomasti ja nopeasti osoitteesta stronic g thrusting pulsators tilaa ja https://www.aspbooks.org/a/volumes/article_details/?paper_id=28899 The First Extensive Search for sdO Pulsators - aspbooks.org the first search for extensive sdo pulsators