2018

1. Angle between terminator and meridian: Flat geometry versus formulae of solar azimuth and an easy approach to the daylight map

   European Journal of Physics, Vol. 39, Núm. 4

2. Reading Errors in Sundials with Incorrect Hour Lines: The Seventeenth-Century Sundial in Lerma

   Nexus Network Journal, Vol. 20, Núm. 2, pp. 393-416