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\Large x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

This is a reference to Colin McInnes' Solar Sailing[1].

  1. McInnes, Colin R. Solar Sailing. Springer-Praxis, Chichester, UK, 1999. BibTeX [McInnes1999]
Reference library: BibTeX


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BBC News - World

Breonna Taylor: Police officer charged but not over death
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Alexei Navalny: Russian activist discharged from Berlin hospital

The Putin-critic later described his slow recovery in Germany from poisoning with a nerve agent.
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Europe migration: EU plans mandatory pact to 'rebuild trust'

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Belarus: Lukashenko inaugurated in unannounced ceremony

The embattled president of Belarus is quietly sworn in for a sixth term despite weeks of protests.
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US election 2020: Trump attacks McCain widow after Biden endorsement

The president said he was "never a fan" of the late Republican senator, who died of cancer in 2018.
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Coronavirus: Health chief hails Africa's fight against Covid-19

Africa has had fewer cases than Europe, Asia or the Americas, with numbers continuing to decline.
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Ischgl: Austria sued over Tyrol ski resort's Covid-19 outbreak

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Uncle Ben's rice changes name to more 'equitable' brand

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Julian Assange: Mother of Wikileaks founder's children dreaded making relationship public

Stella Moris gave birth to the couple's two sons while he was in hiding in the Ecuadorean embassy.
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Nigerian fuel tanker explosion kills 25 in Lokoja

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Australian singer Gordi is "reaching people" through medical consultations, as well as her music.
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Is the world entering a new Cold War?

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Six African heritage sites under threat from climate change

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From a mission to Mars to military expeditions, what is driving the UAE to punch above its weight?
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Why the case of a maid who battled a millionaire has gripped Singapore

The case described by some as a "David versus Goliath battle" has stirred up debate in Singapore.
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