Newton, Robert R. |
Ancient planetary observations and the validity of ephemeris time / Robert R. Newton |
Baltimore : The Johns Hopkins university press, c1976. |
Newton, Robert R. |
The crime of Claudius Ptolemy / Robert R. Newton |
Baltimore [etc.] : The J. Hopkins university press, c1977. |
Newton, Robert R. |
Medieval chronicles and the rotation of the Earth / Robert R. Newton |
Baltimore : The Johns Hopkins university press, c1972. |
Newton, Robert R. |
Remarks on Hipparchus's solar theory derived from lunar eclipse observations by K.P. Moesgaard / R.R. Newton |
In: Journal for the history of astronomy Vol. 8 (1977), p. 200-203 |