Warntjes, Immo
Warntjes, I., Introduction: state of research on late antique and early medieval computus, Late Antique calendrical thought and its reception in the early Middle Ages. Proceedings of the 3rd International Conference on the Science of Computus in Ireland and Europe, Immo Warntjes & D?ibh? ? Cr?in?n, Brepols, 2017, 1 - 42.  , 2017