Geometrical Investigations concerning the Phenomena of Terrestrial Magnetism. Second Series: On the Number of Points at Which a Magnetic Needle Can Take a Position Vertical to the Earth's Surface
Автор: Davies, T., 39 стр., издатель: "Книга по Требованию", ISBN: 978-5-8819-7469-5



5 из 5, 10 голос(-ов).