@misc{Bashforth_Francis._A,
 author={Bashforth, Francis.},
 howpublished={online},
 publisher={Asher},
 language={eng},
 type={podręczniki},
 title={A mathematical treatise on the motion of projectiles, founded chiefly on the results of experiments made with the author's chronograph (1873)},
 keywords={pociski, chronograf},
}