Seidelmann, P. Kenneth, 1937- |
Before the nautical almanacs / P. Kenneth Seidelmann |
In: History of celestial navigation. p. 1-20 |
The history of celestial navigation : rise of the Royal observatory and nautical almanacs / P. Kenneth Seidelmann, Catherine Y. Hohenkerk editors. |
Cham : Springer, c2020. |
Seidelmann, P. Kenneth, 1937- |
International cooperation / P. Kenneth Seidelmann |
In: History of celestial navigation. p. 199-209 |