@misc{Huygens_Christiaan_(1629-1695)_Christiani,
 author={Huygens, Christiaan (1629-1695)},
 howpublished={online},
 publisher={apud Janssonio-Waesbergios},
 language={lat},
 type={printed books 1501-1800},
 title={Christiani Hugenii Zuilichemi dum viveret. Zelhemii Toparchae. Opera reliqua. Tomus primus},
 keywords={astronomy, optics, physics, printed books 1501-1800},
}