Vznik nových kvalit očami fyzika.
(Slovak) [Origins of new quality from the point of view of a physicist].Pokroky matematiky, fyziky a astronomie,
vol. 27
(1982),
issue 4,
pp. 181-195
Note: Extract from the lecture delivered on the meetings of the Union of Czechoslovak (Slovak) Mathematicians and Physicists (October 12-14, 1981) at Karlovy Vary.