Martelli. Martelli's Navigation Tables: A rapid method of finding the position and for solving spherical triangle problems. Kelvin Hughes.
Trích dẫn kiểu ChicagoMartelli. Martelli's Navigation Tables: A Rapid Method of Finding the Position and for Solving Spherical Triangle Problems. London: Kelvin Hughes.
Trích dẫn MLAMartelli. Martelli's Navigation Tables: A Rapid Method of Finding the Position and for Solving Spherical Triangle Problems. Kelvin Hughes.
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