Trkal, Viktor; Matějec, Vlastimil:
Dvě jubilea: 110 let Planckovy konstanty a 50 let LASERu.
(Czech) [Two jubilees: 110 years of the Max Planck constant and 50 years of LASER].Pokroky matematiky, fyziky a astronomie,
vol. 56
(2011),
issue 3,
pp. 207-212